config(docker): Add Docker configuration files

.dockerignore

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+node_modules
+npm-debug.log

docker-compose.yml

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+version: "3.8"
+
+services:
+  claude-code-reverse:
+    build: .
+    ports:
+      - "3456:3456"
+    environment:
+      - ENABLE_ROUTER=${ENABLE_ROUTER}
+      - OPENAI_API_KEY=${OPENAI_API_KEY}
+      - OPENAI_BASE_URL=${OPENAI_BASE_URL}
+      - OPENAI_MODEL=${OPENAI_MODEL}
+    restart: unless-stopped

dockerfile

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+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm i
+
+COPY . .
+
+EXPOSE 3456
+
+CMD ["node", "index.mjs"]