* move database settings from models to setting

* update docs

* fix checkout pr

* fix tests

* fix lint

* remove unsupported tidb options

* correct wrong variable name

* remove tidb totally

* add command to convert mysql database from utf8 to utf8mb4

* Update cmd/convert.go

Co-Authored-By: John Olheiser <42128690+jolheiser@users.noreply.github.com>

* Update cmd/convert.go

Co-Authored-By: John Olheiser <42128690+jolheiser@users.noreply.github.com>

* Update cmd/convert.go

Co-Authored-By: John Olheiser <42128690+jolheiser@users.noreply.github.com>

* Update models/convert.go

Co-Authored-By: John Olheiser <42128690+jolheiser@users.noreply.github.com>

* Update models/convert.go

Co-Authored-By: John Olheiser <42128690+jolheiser@users.noreply.github.com>

* Update cmd/convert.go

Co-Authored-By: John Olheiser <42128690+jolheiser@users.noreply.github.com>

* Update cmd/convert.go

Co-Authored-By: John Olheiser <42128690+jolheiser@users.noreply.github.com>