feat(mcp-server): add Dockerfile for Glama server inspection

Enables automated tool detection and server inspection on the Glama
MCP directory listing.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: imran-siddique

extensions/mcp-server/Dockerfile

@@ -0,0 +1,15 @@
+FROM node:18-alpine AS builder
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY tsconfig.json ./
+COPY src ./src
+RUN npm run build
+
+FROM node:18-alpine
+WORKDIR /app
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./
+EXPOSE 3000
+ENTRYPOINT ["node", "dist/cli.js"]