feat(cli): extract Obelisk runtime into npm package

Add @obelisk-apps/cli with the existing build, search, query, and attune contract plus official skill installation.

Separate the docs-only skill artifact, bootstrap installer, release layout, cross-platform CI, and package-level regression coverage.

tsconfig.json

@@ -16,7 +16,7 @@
     "resolveJsonModule": true,
     "forceConsistentCasingInFileNames": true
   },
-  "include": ["packages/core/src/**/*", "tests/**/*"],
+  "include": ["packages/core/src/**/*", "packages/cli/src/**/*", "tests/**/*"],
   "exclude": [
     "node_modules",
     "app",