Lazuli

- Migrate all **static** functions to utility module (breaking API change!)
- Migrate name extraction (from list of player data) to utility module
- Add ranking methods to Lazuli class
- Add `get_db_all_hits` utility function, for getting all DB matches
- Add `get_db_all_hits`` wrapper function in `database.Lazuli`
- Made `Lazuli::get_online_list` use `Lazuli::get_db_all_hits`

- Minor fix: type error for account instantiation
- Generate API Docs
- Feature: Fetch usernames of all players online

- Open up Discussions page
- Add docstrings

- Add inventory model

- Add character model
- Add account model

- Initialise project
- Add database model (with placeholder for Account and Character objects)