Update README.md

Author: omid-ahmadpour

README.md

@@ -10,7 +10,7 @@ If you like or are using this project to learn or start your solution, please gi
 ### 1. Open CMD
 ### 2. Run
 ```ruby
-  > dotnet new --install ASPNETCleanTemplate.nuspec::3.0.5
+  > dotnet new --install ASPNETCleanTemplate.nuspec::3.1.0
   ```
 ### 3. Create an empty folder for your solution and cd into it.
 ### 4. Run the following code and enter your project name instead of MyNewCleanTemplate