Remove vim and add nvim config

nvim/lua/plugins/colorscheme.lua

@@ -0,0 +1,14 @@
+return {
+    {
+        "ellisonleao/gruvbox.nvim", 
+        priority = 1000 ,
+        config = true,
+        init = function()
+            require("gruvbox").setup({
+                contrast = "hard",
+                hls_cursor = "red",
+            })
+            vim.cmd("colorscheme gruvbox")
+        end
+    }
+}