add trouble and update cmp config

.config/nvim/lua/pluginconf/nvim_cmp.lua

@@ -56,3 +56,16 @@ cmp.setup.cmdline(":", {
         { name = "cmdline" },
     }),
 })
+
+-- define signs
+local signs = {
+    Error = " ",
+    Warn = " ",
+    Hint = " ",
+    Info = " ",
+}
+
+for k, v in pairs(signs) do
+    local hl = "DiagnosticSign" .. k
+    vim.fn.sign_define(hl, { text = v, texthl = hl, numhl = hl })
+end

.config/nvim/lua/plugins.lua

@@ -13,10 +13,7 @@ local function cmp_plugins(use)
     use "hrsh7th/cmp-buffer"
     use "hrsh7th/cmp-path"
     use "hrsh7th/cmp-cmdline"
-    use {
-        "hrsh7th/nvim-cmp",
-        config = pconf "nvim_cmp",
-    }
+    use { "hrsh7th/nvim-cmp", config = pconf "nvim_cmp" }
 
     use "saadparwaiz1/cmp_luasnip"
     use {
@@ -47,7 +44,6 @@ end
 return require("packer").startup(function(use)
     use "wbthomason/packer.nvim"
 
-    use "ryanoasis/vim-devicons"
     use {
         "dracula/vim",
         as = "dracula",
@@ -115,5 +111,12 @@ return require("packer").startup(function(use)
 
     use "nvim-telescope/telescope-ui-select.nvim"
 
+    use {
+        "folke/trouble.nvim",
+        config = function()
+            require("trouble").setup {}
+        end,
+    }
+
     cmp_plugins(use)
 end)