feat: adding keymapping

lua/custom/plugins/trouble.lua

@@ -0,0 +1,9 @@
+return {
+  "folke/trouble.nvim",
+  dependencies = { "nvim-tree/nvim-web-devicons" },
+  opts = {
+    -- your configuration comes here
+    -- or leave it empty to use the default settings
+    -- refer to the configuration section below
+  },
+}