Add initial implementation of noThinkProxy with Docker support and README documentation

Dockerfile

@@ -0,0 +1,14 @@
+FROM node:22-alpine
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev
+
+COPY app.js ./
+
+ENV PORT=11435
+
+EXPOSE 11435
+
+CMD ["node", "app.js"]