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/todo-comments.lua

@@ -1,8 +0,0 @@
--- Highlight, list and search todo comments in your projects
--- https://github.com/folke/todo-comments.nvim
-return {
-  'folke/todo-comments.nvim',
-  version = '*',
-  dependencies = { 'nvim-lua/plenary.nvim' },
-  opts = {},
-}