* Fix minimal test setup
Inclusion of any config with `-u` also adds `~/.config/nvim/pack/*/start/*`
to rtp, which is probably the reason for tests passing on developers'
machines. This "problem" remains, and can in fact break tests through
interference with other plugins.
* Add eruby to default list of filetypes
This merely adds tests and one line of data to default setup values.
* refactor: use lua apis to bind keys
* refactor: use nvim lua api for rename aucmd
* fix: callback for autoclose use nvim_win_set_cursor
* feat: support html in js template tags
fix: add default bufnr when creating bindings
test: lit templates
fix: template strings