Instagram Clone Android Kotlin

Version 1.0.0

Add README.md, Keystore and compile.txt
Add lastFragment prop and onBackPressed method in MainActivity
Add delete post functionality and hadExceptionRaised method in PostDetailsFragment
Add cleanNotificationList function and hadExceptionRaised method in NotificationsFragment
Refactor deletePost and deleteUserPosts services
Fix bug stories vanish in getFollowingStories service
Delete mipmap-anydpi-v26 folder to fix app icon bug