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/Config - Unauthorized Device.bru

@@ -0,0 +1,28 @@
+meta {
+  name: Config - Unauthorized Device
+  type: http
+  seq: 3
+}
+
+get {
+  url: {{baseUrl}}/api/v1/config
+  body: none
+  auth: none
+}
+
+headers {
+  X-Password: invalid-password
+}
+
+assert {
+  res.status: eq 200
+  res.body.authorized: eq false
+  res.body.config: isEmpty
+}
+
+docs {
+  Get configuration for an unauthorized password.
+
+  This request uses a password that is NOT in the authorized_devices.json list.
+  Expected response shows authorized: false with empty config object.
+}