Check trawl_backdeck table structure and lookups data into gitlab

[jimfellows-NOAA]

Would like to being versioning the SQLite database structure to avoid any issues with columns not formatted correctly etc. It will also be a good place to track things like app settings (e.g. settings table).

[jimfellows-NOAA]

Started with checking in DEFAULT_SETTINGS table with lookup values on gitlab pyqt5-framdata.