Bumped the application version from 0.7.0 to 0.8.0 in `main.go`. This prepares the app for the new release and reflects recent changes or improvements.
This commit removes outdated dependencies and adds updated versions of required modules in the `go.sum` file. The changes ensure the project uses the latest compatible releases, improving stability and maintaining compatibility with current updates.
Migrated from GORM to bbolt for lightweight key-value storage, better aligning with project requirements. Updated repository methods to utilize bbolt's native APIs and removed dependencies associated with GORM.
