Added necessary plugins for quality of life

lua/custom/plugins/error.lua

@@ -0,0 +1,42 @@
+return {
+  {
+    'folke/trouble.nvim',
+    dependencies = { 'nvim-tree/nvim-web-devicons' },
+    opts = {
+      {
+        icons = false,
+        fold_open = 'v', -- icon used for open folds
+        fold_closed = '>', -- icon used for closed folds
+        indent_lines = false, -- add an indent guide below the fold icons
+        signs = {
+          -- icons / text used for a diagnostic
+          error = 'error',
+          warning = 'warn',
+          hint = 'hint',
+          information = 'info',
+        },
+        use_diagnostic_signs = false, -- enabling this will use the signs defined in your lsp client
+      },
+    },
+    config = function()
+      vim.keymap.set('n', '<leader>xx', function()
+        require('trouble').toggle()
+      end)
+      vim.keymap.set('n', '<leader>xw', function()
+        require('trouble').toggle 'workspace_diagnostics'
+      end)
+      vim.keymap.set('n', '<leader>xd', function()
+        require('trouble').toggle 'document_diagnostics'
+      end)
+      vim.keymap.set('n', '<leader>xq', function()
+        require('trouble').toggle 'quickfix'
+      end)
+      vim.keymap.set('n', '<leader>xl', function()
+        require('trouble').toggle 'loclist'
+      end)
+      vim.keymap.set('n', 'gR', function()
+        require('trouble').toggle 'lsp_references'
+      end)
+    end,
+  },
+}