Initial release: IMAP/SMTP email bridge MCP server

- 11 MCP tools: search, read, send, archive, move, mark emails + folder management
- IMAP IDLE watcher with polling fallback, forwards new emails to Poke webhook
- Bearer token auth (MCP_API_KEY) for securing the server
- Multi-account support via config.yml
- Docker + GitHub Actions CI/CD (lint, build, push to GHCR)

.github/workflows/deploy.yml

@@ -0,0 +1,47 @@
+name: Build & Push Docker Image
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: docker/setup-buildx-action@v3
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha
+
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max