remove: obsolete HTML template processing system

- Remove index.html.template (template processing never implemented)
- Fix empty title in index.html by adding proper default title
- Update documentation to remove references to non-existent:
  - scripts/process-html.sh
  - predev/prebuild npm scripts
  - HTML template processing workflow
- Simplifies build process and fixes broken page title

docs/setup/APP_NAME_CONFIGURATION.md

@@ -159,23 +159,20 @@ APP_NAME=MedicationTracker
 
 ## Troubleshooting
 
-### Common Issues
+1. **App name not displaying**: Check `config/unified.config.ts` for correct `APP_NAME` value
+2. **Docker build fails**: Check that environment variables are properly set
 
-1. **HTML title not updating**: Ensure `index.html.template` exists and `process-html.sh` runs
-2. **Docker build fails**: Check that `APP_NAME` doesn't contain invalid characters for Docker tags
-3. **Kubernetes deployment fails**: Verify `APP_NAME` follows Kubernetes naming conventions
-
-### Validation
+## Testing
 
 ```bash
-# Test HTML processing
-APP_NAME=TestApp ./scripts/process-html.sh
+# Test configuration
+bun run config
 
-# Test Docker build
-APP_NAME=TestApp make deploy
+# Test build
+bun run build
 
-# Check generated files
-grep -r "TestApp" dist/
+# Check configuration values
+bun run config:env
 ```
 
 ## Best Practices