Added Logout option in menu

- Fix: Issue with image uploading
- Fix: Issue with share via link and screenshot
- Tweak: Optimized data saving
- Feature: Auto return to main screen after connecting to timer

Update addresses crash related issues. Primarily those associated with do not disturb mode and volume controls. User can now control volume by default but can still optionally set the volume controls of the device to control the timer. 

Thank you for using RangeTech!

FIX: Par time keyboard staying open when leaving the menu page.

FIX: Par time beep going off early.
FIX: Commands coming from speaker

FIX: App crashing immediately when launched.

NEW: iOS 13 Dark Mode Support.

NEW: Updated the app to the new backend.

Minor bug fixes.

Minor bug fixes. Added help buttons to all pages.