Add login gate, rate limiting, and container deploy files for company-wide use

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:22-alpine
+WORKDIR /app
+
+# No dependencies to install: server.js uses only Node's built-in modules.
+COPY package.json ./
+COPY server.js ./
+COPY tools ./tools
+COPY skills ./skills
+
+ENV PORT=5173
+EXPOSE 5173
+
+CMD ["node", "server.js"]