docs: comprehensive documentation updates and modernization

- Update BUILDING.md with current build system information
- Modernize various README files across the project
- Update CHANGELOG.md with recent changes
- Improve documentation consistency and formatting
- Update platform-specific documentation (iOS, Electron, Docker)
- Enhance test documentation and build guides

doc/logging-configuration.md

@@ -101,6 +101,7 @@ Database logging continues to work regardless of console log level settings. All
 ### No Logs Appearing
 
 Check your `VITE_LOG_LEVEL` setting:
+
 ```bash
 echo $VITE_LOG_LEVEL
 ```
@@ -108,6 +109,7 @@ echo $VITE_LOG_LEVEL
 ### Too Many Logs
 
 Reduce verbosity by setting a lower log level:
+
 ```bash
 VITE_LOG_LEVEL=warn
 ```