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>

.gitea/workflows/build.yaml

@@ -0,0 +1,54 @@
+name: Build and Push Container Image
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - main
+
+env:
+  REGISTRY: gitea.anvil.it.com
+  IMAGE_NAME: ${{ gitea.repository }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build image
+        run: |
+          podman build -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }} .
+          podman tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }} \
+                     ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+
+      - name: Tag version
+        if: startsWith(gitea.ref, 'refs/tags/v')
+        run: |
+          VERSION=${GITEA_REF#refs/tags/}
+          podman tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }} \
+                     ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${VERSION}
+
+      - name: Login to Registry
+        if: gitea.event_name != 'pull_request'
+        run: |
+          podman login ${{ env.REGISTRY }} \
+            -u ${{ gitea.actor }} \
+            -p ${{ secrets.GITEA_TOKEN }}
+
+      - name: Push image
+        if: gitea.event_name != 'pull_request'
+        run: |
+          podman push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }}
+          podman push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+
+      - name: Push version tag
+        if: startsWith(gitea.ref, 'refs/tags/v')
+        run: |
+          VERSION=${GITEA_REF#refs/tags/}
+          podman push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${VERSION}