chore: clean up root configuration files

- Remove redundant .npmrc (ignore-build-scripts=false is default)
- Remove Makefile (scripts available in package.json)
- Simplify root package.json:
  - Remove duplicate pnpm keys
  - Remove frontend-specific esbuild config (already in apps/web/package.json)
  - Remove version/description (not needed for private workspace root)
  - Remove compose scripts (use docker compose directly)
- Clean pnpm-workspace.yaml:
  - Remove placeholder allowBuilds comment
  - Remove onlyBuiltDependencies (handled per-workspace)

package.json

@@ -1,26 +1,11 @@
 {
   "name": "headquarter",
-  "version": "0.0.1",
   "private": true,
-  "description": "Hosted workspace and tool-orchestration platform",
+  "packageManager": "pnpm@11.1.1",
   "scripts": {
     "lint": "pnpm --filter @headquarter/web lint && pnpm --filter @headquarter/api lint",
     "test": "pnpm --filter @headquarter/web test && pnpm --filter @headquarter/api test",
-    "typecheck": "pnpm --filter @headquarter/web typecheck && pnpm --filter @headquarter/api typecheck",
     "build": "pnpm --filter @headquarter/web build && pnpm --filter @headquarter/api build",
-    "dev": "pnpm --parallel --filter @headquarter/web --filter @headquarter/api dev",
-    "compose:up": "docker compose up --build -d",
-    "compose:down": "docker compose down"
-  },
-  "pnpm": {
-    "onlyBuiltDependencies": ["esbuild"]
-  },
-  "packageManager": "pnpm@11.1.1",
-  "engines": {
-    "node": ">=20",
-    "pnpm": ">=9"
-  },
-  "pnpm": {
-    "onlyBuiltDependencies": ["esbuild"]
+    "dev": "pnpm --parallel --filter @headquarter/web --filter @headquarter/api dev"
   }
 }