chore: include llms.txt and llms-full.txt in npm package

Author: bug3

package.json

@@ -21,7 +21,9 @@
     }
   },
   "files": [
-    "dist"
+    "dist",
+    "llms.txt",
+    "llms-full.txt"
   ],
   "scripts": {
     "build": "tsup",