feat(mcpedia): Phase 1 MVP — monorepo, Core, Web UI, MCP server, Postgres FTS

- bun workspaces + Turborepo monorepo (apps/web, apps/mcp; packages/*, scripts)
- @mcpedia/core single business-logic layer (Document/Content/Search services)
- @mcpedia/db Drizzle schema: documents + weighted tsvector (GIN) for FTS
- @mcpedia/parser frontmatter, @mcpedia/search Postgres FTS (ts_rank+ts_headline)
- Next.js 16 Web UI (home/doc SSG, search dynamic) + react-markdown render
- MCP server (stdio) with 4 tools + in-memory smoke test
- scripts/indexer walks content/ -> upserts into Postgres
- 4 seed docs; README + PHASES status

apps/web/next.config.ts

@@ -0,0 +1,9 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  // @mcpedia/db pulls in the `postgres` driver + node:fs; keep it external to
+  // the server bundle so it runs in the Node runtime as-is.
+  serverExternalPackages: ["@mcpedia/db", "@mcpedia/config", "@mcpedia/parser"],
+};
+
+export default nextConfig;