added support for mysql and sqlite (in addition to postgres) to rainfrog, a database management tui: https://github.com/achristmascarl/rainfrog https://github.c

added support for mysql and sqlite (in addition to postgres) to rainfrog, a database management tui: https://github.com/achristmascarl/rainfrog https://github.com/achristmascarl/rainfrog they haven't been tested as extensively as postgres though so are still considered unstable!