feat(nvim): new nvim config (#28)

* feat(nvim): clean config, work in progress
* feat: refactored plugins and configs
* feat: stylua config, ufo, lsp refactor, cleanup
* feat: renamed nvim to nvim-lazy, added alias
* feat: renamed nvim-clean to be nvim, updated alias

config/nvim/lua/plugins/trouble.lua

@@ -0,0 +1,32 @@
+return {
+  'folke/trouble.nvim',
+  lazy = false,
+  dependencies = 'nvim-tree/nvim-web-devicons',
+  config = function()
+    require('trouble').setup {
+      auto_preview = false,
+      auto_fold = true,
+      auto_close = true,
+      use_lsp_diagnostic_signs = true,
+    }
+    vim.keymap.set('n', '<leader>xx', '<cmd>TroubleToggle<cr>', { silent = true, noremap = true })
+    vim.keymap.set('n', '<leader>xw', '<cmd>TroubleToggle workspace_diagnostics<cr>', { silent = true, noremap = true })
+    vim.keymap.set('n', '<leader>xd', '<cmd>TroubleToggle document_diagnostics<cr>', { silent = true, noremap = true })
+    vim.keymap.set('n', '<leader>xl', '<cmd>TroubleToggle loclist<cr>', { silent = true, noremap = true })
+    vim.keymap.set('n', '<leader>xq', '<cmd>TroubleToggle quickfix<cr>', { silent = true, noremap = true })
+    vim.keymap.set('n', 'gR', '<cmd>TroubleToggle lsp_references<cr>', { silent = true, noremap = true })
+
+    -- Diagnostic signs
+    -- https://github.com/folke/trouble.nvim/issues/52
+    local signs = {
+      Error = ' ',
+      Warning = ' ',
+      Hint = ' ',
+      Information = ' ',
+    }
+    for type, icon in pairs(signs) do
+      local hl = 'DiagnosticSign' .. type
+      vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
+    end
+  end,
+}