Remove personal information and improve setup documentation:
**Code Generalization:**
- Updated .env.example with placeholder values
- Removed personal API keys and calendar IDs
- Removed all personal background images (15 images deleted)
- Added backgrounds directory README with usage instructions
- Updated .gitignore to exclude background images
**Documentation Improvements:**
- Added comprehensive Weather API setup instructions
- How to get OpenWeatherMap API key
- How to find location coordinates using LatLong.net
- Added detailed Google Calendar setup instructions
- Public iCal feed method (easiest, no auth required)
- Alternative Google Calendar API method
- Added background image specifications
- Supported formats, recommended resolution
- Where to add images and how to change rotation interval
- Added configuration section explaining all settings
- Environment variables documentation
- JavaScript intervals configuration
- How to change image rotation time in both .env and app.js
- Added dynamic text color feature to feature list
**Setup Instructions Now Include:**
- Step-by-step Weather API key acquisition
- Google Calendar public iCal URL setup
- Background image guidelines and rotation configuration
- All configuration options clearly documented
Users can now easily set up their own calendar display without any personal information in the codebase.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
