Add REST API server, Docker support, and CI pipeline

- Add FastAPI-based REST API server (api_server.py)
- Add Dockerfile and docker-compose.yaml for containerized deployment
- Add Gitea Actions CI workflow for building and pushing images
- Refactor CLI to support dual-server SSH (bouncer + crowdsec)
- Update dependencies with FastAPI and uvicorn
- Update CLAUDE.md and README.md with full documentation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "cf-bouncer-manager"
-version = "0.1.0"
-description = "Add your description here"
+version = "1.3.0"
+description = "CrowdSec Cloudflare Worker Bouncer 도메인 관리 CLI/API"
 readme = "README.md"
 requires-python = ">=3.13"
 dependencies = [
@@ -9,4 +9,6 @@ dependencies = [
     "requests>=2.32.5",
     "rich>=14.3.2",
     "typer>=0.21.1",
+    "fastapi>=0.115.0",
+    "uvicorn>=0.34.0",
 ]