add a bunch of essential plugins

lua/plugins/claude-code.lua

@@ -0,0 +1,9 @@
+return {
+  'greggh/claude-code.nvim',
+  dependencies = {
+    'nvim-lua/plenary.nvim',
+  },
+  config = function()
+    require('claude-code').setup()
+  end,
+}