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>

.dockerignore

@@ -0,0 +1,37 @@
+# Environment files
+.env
+.env.local
+.env.*
+
+# Python artifacts
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.pytest_cache/
+
+# Git
+.git/
+.gitignore
+
+# Virtual environment
+venv/
+
+# Documentation
+README.md
+
+# IDE configs
+.vscode/
+.idea/
+
+# API testing
+bruno/
+
+# Logs
+*.log
+
+# Claude
+.claude/
+
+# Config (managed separately)
+config/authorized_devices.json