feat: add Docker bootstrap for mcpd with auto-migration and seeding

Adds Dockerfile, entrypoint, and server bootstrap so that
`docker compose up` starts postgres, pushes the schema,
seeds default MCP servers, and starts mcpd with all routes wired up.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

deploy/entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+echo "mcpd: pushing database schema..."
+pnpm -F @mcpctl/db exec prisma db push --schema=prisma/schema.prisma --accept-data-loss 2>&1
+
+echo "mcpd: seeding default data..."
+node src/mcpd/dist/seed-runner.js
+
+echo "mcpd: starting server..."
+exec node src/mcpd/dist/main.js