Kevin-Implemented a basic eStorage functionality- web urls only.

Still need to validate urls when inputting, Urls do need the "http://" part.
Maybe make the url cards look "cleaner"
errors
pretty much finished on the medication part
Merge branch 'medication' into dev
refactor
Add kevin's e-storage screen implementation
Merge branch 'kevin-branch' into dev

Conflicts:
	PHMS/src/main/AndroidManifest.xml
	PHMS/src/main/java/com/cse3310/phms/model/User.java
	PHMS/src/main/java/com/cse3310/phms/ui/fragments/HomeScreenFragment.java
	PHMS/src/main/java/com/cse3310/phms/ui/fragments/SlideMenuListFragment.java
	PHMS/src/main/java/com/cse3310/phms/ui/utils/Events.java
add missing event
refactor code and change icons.