Merge branch 'master' into content_add

Author: kkkkkabir

DevCGlobalDirectory.md

@@ -402,6 +402,7 @@
     - [Aurelien Xavier](https://github.com/xavier-pay)
     - [Suzy Tresor Tchegnelene](https://github.com/tchegnelenesuzy)
   - Facebook Group: https://www.facebook.com/groups/1216588391854380/
+  - Github: https://github.com/devcyaounde
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README.md

@@ -122,6 +122,7 @@ Useful articles and learning resources.
 - [Codepen Blog](https://blog.codepen.io/) - A blog about the ins and outs of running a web software business.
 - [Airbnb Engineering Blog](https://airbnb.io/) - A blog about Airbnb's Engineering and Data Science Structure
 - [R2D3](http://www.r2d3.us/visual-intro-to-machine-learning-part-1/) - A visually pleasing way of understanding machine learning
+- [Facebook AI Blog](https://ai.facebook.com/blog) - A blog on researches and open source projects at Facebook AI.
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@@ -150,6 +151,7 @@ Useful articles and learning resources.
 - [Create React App](https://github.com/facebook/create-react-app) - Create React apps with no build configurations.
 - [Swagger](https://swagger.io/) - Design and document APIs compatible with OpenAPI specification.
 - [StackEdit](https://stackedit.io/) - In-browser Markdown editor
+- [CodeSandBox](https://codesandbox.io/) - An Online IDE for rapid web development with live preview and support for npm packages. 
 
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@@ -198,6 +200,8 @@ Useful articles and learning resources.
 - [Streamelopers](http://bit.ly/streamelopersub) Community tech talks in spanish
 - [Top 10 Best VS Code Extensions for developers](https://www.youtube.com/watch?v=c5GAS_PMXDs),by codeSTACKr
 - [Learn React JS](https://www.youtube.com/watch?v=DLX62G4lc44), a full course for beginners by freeCodeCamp.org
+- [Grit, the power of passion and perseverance](https://www.youtube.com/watch?v=H14bBuluwB8) by Angela Lee Duckworth
+- [Growth vs Fixed Mindset](https://www.youtube.com/watch?v=KUWn_TJTrnU) animated video by Sprouts  
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