- Adds a "Using the app" screen
- Adds a Favorites option for meal entry
- Improvements to dark mode
- Other miscellaneous updates

Adds guidance for adding Tracking Guides and Food Groups
Minor bug fixes

Fixes bug that caused month to be grayed out

Adds option to show weight on calendar
Adds ability to display weights in graph form
Adds option to require a tap before entering servings to improve scrolling

Fixed bug causing crash when adding new Food Group

Fixes edit problem for Food Group details
Minor adjustments