Create readme.md

Author: javaHelper

Diff for: 8.authorization-code-grant-type/readme.md

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+# Authorizartion Code Grant Type
+
+Go to Setting -> Developer Setting -> OAuth Apps
+
+<img width="1012" alt="Screenshot 2022-06-06 at 9 36 09 AM" src="https://user-images.githubusercontent.com/54174687/172092953-fcc3e39e-96cd-4771-bd87-0b623bb9d900.png">
+
+<img width="1505" alt="Screenshot 2022-06-06 at 9 37 01 AM" src="https://user-images.githubusercontent.com/54174687/172093044-827683b9-e8ae-416b-a413-180ae0801293.png">