Galaxy v1.0.0: Remove warp-channel-config, rebrand bins/icons/settings, remove teams from Drive

- Remove warp-channel-config dependency; all bin targets hardcode ChannelConfig inline
- Rename bin targets: galaxy-oss, galaxy-local, galaxy-stable, galaxy-dev, galaxy-preview
- Rename config dir from .galaxy-ai to .galaxy
- Add Galaxy app icon (512x512 rounded PNG + SVG logo)
- Replace settings gear icon with Stars (sparkle) icon
- Remove lightbulb/resource center button from header toolbar
- Add Galaxy logo SVG to Settings > About page
- Rename Galaxify -> Galaxyize across all UI strings
- Remove Create Team / Join Team sections from Galaxy Drive
- Fix missing => in OpenRichInput match arms
- Clean up unused imports and warnings
- Update Cargo.toml bundle metadata with Samsung branding
- Re-enable code review, project explorer, global search in settings

.gitignore

@@ -55,3 +55,6 @@ desired_behavior.md
 
 # Don't include the python cache for bundled skills.
 __pycache__/
+
+# Local Warp upstream reference checkout (used by pull_warp_feature skill)
+.galaxy/