Correcting the scope of getUserProfile()

The `getUserProfile()` method should be inside the service class to correctly access `this.http`

Author: eslam-gl

README.md

@@ -685,10 +685,10 @@
     @Injectable()
     export class UserProfileService {
       constructor(private http: HttpClient) { }
-    }
 
-    getUserProfile() {
-      return this.http.get(this.userProfileUrl);
+      getUserProfile() {
+        return this.http.get(this.userProfileUrl);
+      }
     }
     ```
     3. Create a component for subscribing service:
@@ -1502,4 +1502,4 @@
     | AngularJS | Angular |
     |---- | ---------
     | Dependency injection tokens are always strings  | Tokens can have different types. They are often classes and sometimes can be strings. |
-    | There is exactly one injector even though it is a multi-module applications | There is a tree hierarchy of injectors, with a root injector and an additional injector for each component. |
+    | There is exactly one injector even though it is a multi-module applications | There is a tree hierarchy of injectors, with a root injector and an additional injector for each component. |