* added signoz.db to gitignore
* model and crud methods for dashboard package
* added signoz.db to dockerignore
* feat: dashboards crud WIP
* chore: moving response format to correct file
* chore: adding dependencies for sqlite3
* feat: CRUD APIs ready for dashboards
* fix: sqlite needs cgo enabled and hence need to add some flags in building go code
* feat: provision dashboards using json
* chore: mounting dashboard folder to container
