chore: update project status and licensing information

- Replace the Automaker License Agreement with a simplified project status section in the README, indicating that the project is no longer actively maintained.
- Update the LICENSE file to reflect the new MIT License.
- Add license information to package.json for clarity.

package.json

@@ -1,6 +1,7 @@
 {
   "name": "automaker",
   "version": "0.13.0",
+  "license": "MIT",
   "private": true,
   "engines": {
     "node": ">=22.0.0 <23.0.0"