oumta dashboard plugin (mockup)

Fullscreen cluster dashboard view consuming the Oumta Go backend.
All data currently mocked — see plugin TODO.md for integration plan.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitignore

@@ -11,3 +11,7 @@
 electron/node_modules
 data/hyprcrd.db-shm
 data/hyprcrd.db-wal
+
+/oumta-dashboard/
+/oumta-dashboard-ui/
+