Add subspace-tv FastAPI service with Unraid deployment

Includes FastAPI application with device authentication, Docker configuration,
Bruno API tests, and git-based deployment scripts for Unraid.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

bruno/bruno.json

@@ -0,0 +1,5 @@
+{
+  "version": "1",
+  "name": "Subspace TV Config API",
+  "type": "collection"
+}