Ensure community docs are present as per guidance (#5914)

* Create Code of Conduct based on recommended GitHub template

This code of conduct is using the recommended template for projects of all sizes.

* Update CODE_OF_CONDUCT.md

* Added / updated community docs

.github/PULL_REQUEST_TEMPLATE.md

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+Fixes #<!-- If this addresses a specific issue, please provide the issue number here -->
+
+## Proposed Changes
+<!-- Please discuss the changes you have worked on. What do the changes do; why is this PR needed? -->
+<!-- You must demonstrate that the code works. Include screenshots of the code in action -->
+
+  - 
+  -
+  -
+
+
+## Testing
+<!-- If you are adding a new feature to a library, you must include tests for your new code. -->

CODE_OF_CONDUCT.md

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+## Code of Conduct
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). 
+For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact
+ [[email protected]](mailto:[email protected]) with any additional questions or comments.

Contributing.md

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 # Instructions for Contributing Code
 
-## Code of Conduct
-
-This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). 
-For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact
- [[email protected]](mailto:[email protected]) with any additional questions or comments.
-
 ## Contributing bug fixes and features
 
 The Bot Framework team is currently accepting contributions in the form of bug fixes and new