feat: add rg source for cmp

lua/configs/lspconfig.lua

@@ -30,5 +30,6 @@ require("cmp").setup {
     { name = "buffer" },
     { name = "path" },
     { name = "nvim_lsp" },
+    { name = "rg", keyword_length = 4 },
   },
 }

lua/plugins/custom.lua

@@ -3,6 +3,10 @@ return {
     "mfussenegger/nvim-ansible",
     lazy = false,
   },
+  {
+    "lukas-reineke/cmp-rg",
+    lazy = false,
+  },
   {
     "sindrets/diffview.nvim",
   },