feat(nvim): reworked cmp, lsp and bunch of stuff (#48)

* feat(nvim): reworked cmp, lsp and bunch of stuff

* chore: del disabled plugins, do coderabbit fixes

* chore: tweak settings, remove duplication

* chore: next round of refactoring

* feat: replaced lualine w/ mini.statusline, tweaks

* chore: cleanup, options and keymap stuff

config/nvim/lua/plugins/comment.lua

@@ -1,9 +0,0 @@
--- Commenting
--- "gc" to comment visual regions/lines
--- https://github.com/numToStr/Comment.nvim
-return {
-  'numToStr/Comment.nvim',
-  version = '*',
-  event = { 'BufRead', 'BufNewFile' },
-  opts = {},
-}