MoveUpload files on GCS under FAQ

[SangeetaMishr]

Move this file Upload files on GCS https://glific.github.io/docs/docs/Pre%20Onboarding/GCS%20Setup/Upload%20files%20on%20
GCS under FAQ section

Move this file Solving For Sheet Sync Failures Issues
https://glific.github.io/docs/docs/Use%20Cases/Solving%20For%20Sheet%20Sync%20Failures%20Issues under FAQ section

[SangeetaMishr]

This was removed and reordered