Add auto save claims.json to prevent file get deleted when runtime disconnect on colab.

Guide:
- Run from beginning
- Mounted ur drive (login, give permission, ...)
- Create a folder name "Vietfact Check Checkpoint" in "MyDrive" (Root folder)

NOTE: DO NOT OPEN FILE "claims.json" ON DRIVE WHEN THE CODE STILL RUNNING OR IT WILL BLOCK THE CODE FROM APPEND NEW CLAIM TO THE FILE