* feat: add function to query the DB
* docs: add documentation for frecency.query()
* test: fix tests to run with `timestamps` property
* test: add tests for frecency.query()
* chore: change the position of `?`
* fix: use config module to simplify code
* test: fix tests to use frecency.config
* test: remove macOS with nightly Neovim temporarily
* feat!: remove code for SQLite
ref [Introduce revised telescope-frecency.nvim : neovim](https://www.reddit.com/r/neovim/comments/174m8zu/introduce_revised_telescopefrecencynvim/)
I have deprecated SQLite features 4 months ago. It is the time to remove
code for them.
* test: fix test to load telescope validly
* test: remove sqlite.lua from CI settings
* test: test database as native
* fix: add lacked type from old database/sqlite.lua
* docs: remove description for SQLite3 logic
* chore: fix types
* chore: add types for Database:raw_table