Add initial nvchad config

nvim/lua/plugins/rustaceanvim.lua

@@ -0,0 +1,14 @@
+return {
+  "mrcjkb/rustaceanvim",
+  version = "^5", -- Recommended
+  lazy = false, -- This plugin is already lazy
+  config = function()
+    vim.g.rustaceanvim = {
+      tools = {
+        float_win_config = {
+          border = "rounded",
+        },
+      },
+    }
+  end,
+}