Initial commit: iCloud Drive GTK3 GUI for ElementaryOS

- Dashboard with live sync status, current file indicator, auto-refresh
- Logs page with color-coded ERROR/WARN/INFO lines and live follow
- Photos tab: download recent photos as JPEG via icloudpd
- Settings with save + optional service restart
- Install/uninstall scripts and .desktop entry

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

com.elementary.icloud-linux.desktop

@@ -0,0 +1,11 @@
+[Desktop Entry]
+Name=iCloud Drive
+Comment=Sync iCloud Drive on Linux
+Exec=python3 /home/nateemmert/Documents/icloud-gui/icloud_gui.py
+Icon=folder-cloud
+Terminal=false
+Type=Application
+Categories=Network;FileManager;
+Keywords=iCloud;Apple;Sync;Drive;
+StartupNotify=true
+StartupWMClass=icloud_gui