Change declarations for enums and spell checks

Adding Saving account & product creation from UI

Add state transitions for Saving accounts

Approve saving account state patch partially done

Approval of saving account

Soft delete of saving account

Add intereset calculation method for saving account

Interest Posting functionality not completed yet

Saving Interest Posting without interest calculation method
Add interest posting functionality for saving accounts

rename_patches_after_rebasing

remove existed db script file
removed unused warnings and code and format of code.