Feature widget settings connect

Client Side Changes:
- **Got widget settings working for desktop app - Settings and widget are now connected!**
- Updated CSS for dealing with long event names while widget is as large as screen
- Added new button settings to make widget look good
- Updated default colors of widget
- Allowed users to have higher max border width and widget roundness in settings (updated max values_
- Trying to create a variable amount of Wix UI Lib elements in Events accordian - number based on the amount of events users have on FB
- Change the default colors in colorpickers in settings panel to match those on the widget
- Border setting now works completely when switching between list mode and month mode
- Settings for borderWidth and corners now update in real time on widget