nvim: add trouble plugin

src/.config/nvim/coding.vim

@@ -23,3 +23,12 @@ source $XDG_CONFIG_HOME/nvim/vimspector.vim
 " bracket closing
 Plug 'jiangmiao/auto-pairs'
 let g:AutoPairsShortcutToggle = "@@"
+
+" improved error list
+Plug 'folke/trouble.nvim'
+nnoremap <leader>dxx <cmd>TroubleToggle<cr>
+nnoremap <leader>dxw <cmd>TroubleToggle workspace_diagnostics<cr>
+nnoremap <leader>dxd <cmd>TroubleToggle document_diagnostics<cr>
+nnoremap <leader>dxq <cmd>TroubleToggle quickfix<cr>
+nnoremap <leader>dxl <cmd>TroubleToggle loclist<cr>
+nnoremap gR <cmd>TroubleToggle lsp_references<cr>

src/.config/nvim/lua/init.lua

@@ -126,3 +126,19 @@ cmp.setup({
 		{ name = 'buffer' },
 	})
 })
+
+-- improved error list
+require('trouble').setup({
+    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
+})