Calendar Updates

[Arnav210]

Priority Feature

• Naming changes
• Styling updates
• Slight functionality update

Preview Feature Fixes

• Successfully shows upcoming calendar changes
• Added error handling for fetch errors
  • will simply show upcoming changes without the current calendar

Export Feature Fixes

• Fully functional export system to a .ical file
• Update .ical button added
  • Allows for users to edit previous .ical files
• Styling updates for export and update buttons