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/environments/Local.bru

@@ -0,0 +1,3 @@
+vars {
+  baseUrl: http://localhost:8000
+}

bruno/environments/Production.bru

@@ -0,0 +1,3 @@
+vars {
+  baseUrl: https://your-production-server.com:8000
+}