Tab controller

[Giuliana-Russi]

The tab controller that is at the bottom of every screen that would lead the user to another screen if they clicked on the button

• [x] Feed screen icon/ button that would lead to the feed screen
• [x] Profile screen icon/ button that would lead to the profile of a user screen
• [x] Post screen icon/ button that would lead them to the make a post screen

[chelseagmarie]

Post screen icon/button was added to feed screen instead of being a tab for smoother look and more focus.