New Docs added for library usage guidance

Author: muthurathinam-m

CONTRIBUTING.md

@@ -20,22 +20,21 @@ Here are some ways you can contribute to this documentation:
 
 ## Contribute using GitHub
 
-Use GitHub to contribute to this documentation without having to clone the repo to your desktop. This is the easiest way to create a pull request in this repository. Use this method to make a minor change that doesn't involve code changes. 
+Use GitHub to contribute to this documentation without having to clone the repository to your desktop. This is the easiest way to create a pull request in this repository. Use this method to make a minor change that doesn't involve code changes.
 
 **Note** Using this method allows you to contribute to one article at a time.
 
 ### To Contribute using GitHub
 
-1. Find the article you want to contribute to on GitHub. 
+1. Find the article you want to contribute to on GitHub.
 
     If the article is in MSDN, choose the **suggest and submit changes** link in the **Contribute to this content** section and you'll be taken to the same article on GitHub.
 2. Once you are on the article in GitHub, sign in to GitHub (get a free account [Join GitHub](https://github.com/join).
-3. Choose the **pencil icon** (edit the file in your fork of this project) and make your changes in the **<>Edit file** window. 
+3. Choose the **pencil icon** (edit the file in your fork of this project) and make your changes in the **<>Edit file** window.
 4. Scroll to the bottom and enter a description.
 5. Choose **Propose file change**>**Create pull request**.
 
-You now have successfully submitted a pull request. Pull requests are typically reviewed within 10 business days. 
-
+You now have successfully submitted a pull request. Pull requests are typically reviewed within 10 business days.
 
 ## Contribute using Git
 
@@ -48,7 +47,7 @@ Use Git to contribute substantive changes, such as:
 
 ### To Contribute using Git
 
-1. If you don't have a GitHub account, set one up at [GitHub](https://github.com/join). 
+1. If you don't have a GitHub account, set one up at [GitHub](https://github.com/join).
 2. After you have an account, install Git on your computer. Follow the steps in [Setting up Git Tutorial](https://help.github.com/articles/set-up-git/).
 3. To submit a pull request using Git, follow the steps in [Use GitHub, Git, and this repository](#use-github-git-and-this-repository).
 4. You will be asked to sign the Contributor's License Agreement if you are:
@@ -68,10 +67,10 @@ Pull requests are typically reviewed within 10 business days.
 
 ### To set up your fork of the repository
 
-1.	Set up a GitHub account so you can contribute to this project. If you haven't done this, go to [GitHub](https://github.com/join) and do it now.
-2.	Install Git on your computer. Follow the steps in the [Setting up Git Tutorial] [Set Up Git].
-3.	Create your own fork of this repository. To do this, at the top of the page,  choose the **Fork** button.
-4.	Copy your fork to your computer. To do this, open Git Bash. At the command prompt enter:
+1. Set up a GitHub account so you can contribute to this project. If you haven't done this, go to [GitHub](https://github.com/join) and do it now.
+2. Install Git on your computer. Follow the steps in the [Setting up Git Tutorial] [Set Up Git].
+3. Create your own fork of this repository. To do this, at the top of the page,  choose the **Fork** button.
+4. Copy your fork to your computer. To do this, open Git Bash. At the command prompt enter:
 
         git clone https://github.com/<your user name>/<repo name>.git
 
@@ -162,9 +161,9 @@ Once your changes are successfully merged into the main repository, delete the b
 
 #### To delete a branch
 
-1.	In the Git Bash command prompt, type `git checkout master`. This ensures that you aren't in the branch to be deleted (which isn't allowed).
-2.	Next, at the command prompt, type `git branch -d <branch name>`. This deletes the branch on your computer only if it has been successfully merged to the upstream repository. (You can override this behavior with the `–D` flag, but first be sure you want to do this.)
-3.	Finally, type `git push origin :<branch name>` at the command prompt (a space before the colon and no space after it).  This will delete the branch on your github fork.  
+1. In the Git Bash command prompt, type `git checkout master`. This ensures that you aren't in the branch to be deleted (which isn't allowed).
+2. Next, at the command prompt, type `git branch -d <branch name>`. This deletes the branch on your computer only if it has been successfully merged to the upstream repository. (You can override this behavior with the `–D` flag, but first be sure you want to do this.)
+3. Finally, type `git push origin :<branch name>` at the command prompt (a space before the colon and no space after it).  This will delete the branch on your github fork.  
 
 Congratulations, you have successfully contributed to the project!
 
@@ -174,18 +173,17 @@ Congratulations, you have successfully contributed to the project!
 
 The [markdown template](/articles/0-markdown-template-for-new-articles.md) contains the basic Markdown for a topic that includes a table of contents, sections with subheadings, links to other Office developer topics, links to other sites, bold text, italic text, numbered and bulleted lists, code snippets, and images. 
 
-
 ### Standard Markdown
 
 All of the articles in this repository use Markdown. A complete introduction (and listing of all the syntax) can be found at [Markdown Home] [].
- 
+
 ## FAQ
 
 ### How do I get a GitHub account?
 
 Fill out the form at [Join GitHub](https://github.com/join) to open a free GitHub account. 
 
-### Where do I get a Contributor's License Agreement? 
+### Where do I get a Contributor's License Agreement?
 
 You will automatically be sent a notice that you need to sign the Contributor's License Agreement (CLA) if your pull request requires one. 
 
@@ -194,7 +192,7 @@ As a community member, **you must sign the Contribution License Agreement (CLA)
 ### What happens with my contributions?
 
 When you submit your changes, via a pull request, our team will be notified and will review your pull request. You will receive notifications about your pull request from GitHub; you may also be notified by someone from our team if we need more information. We reserve the right to edit your submission for legal, style, clarity, or other issues.
- 
+
 ### Can I become an approver for this repository's GitHub pull requests?
 
 Currently, we are not allowing external contributors to approve pull requests in this repository.
@@ -212,5 +210,4 @@ We typically review pull requests and respond to issues within 10 business days.
 [GitHub Help]: http://help.github.com/
 [Set Up Git]: http://help.github.com/win-set-up-git/
 [Markdown Home]: http://daringfireball.net/projects/markdown/
-[Daring Fireball]: http://daringfireball.net/
-
+[Daring Fireball]: http://daringfireball.net/