feat: Add shared components and styling for icewatch application

- Created example-shared-components.html to demonstrate TypeScript-based shared header and footer components.
- Added original-style.css for theming with CSS variables and dark mode support.
- Introduced style-backup.css for legacy styles.
- Developed test-refactored.html for testing map components with Leaflet integration.
- Updated deployment documentation to reflect changes in log file paths and service names.
- Renamed project from "great-lakes-ice-report" to "icewatch" in package.json and package-lock.json.
- Updated Caddyfile for new log file path.
- Added S3 bucket policy for public read access to greatlakes-conditions.
- Removed old service file and created new systemd service for icewatch.

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "great-lakes-ice-report",
+  "name": "icewatch",
   "version": "1.0.0",
   "description": "Great Lakes Ice Report - Community-driven winter road conditions tracker for Michigan",
   "main": "dist/server.js",