feat: Add Inspect Widget command (#509)

Co-authored-by: Nguyễn Xuân Hoàng <hoangnx@ip-192-168-10-59.ap-southeast-1.compute.internal>

Author: hoangnx2204

lua/flutter-tools.lua

@@ -44,6 +44,7 @@ local function setup_commands()
   command("FlutterDevToolsActivate", dev_tools.activate)
   command("FlutterCopyProfilerUrl", commands.copy_profiler_url)
   command("FlutterOpenDevTools", commands.open_dev_tools)
+	command("FlutterInspectWidget", commands.inspect_widget)
   command("FlutterPubGet", commands.pub_get)
   command("FlutterPubUpgrade", function(data) commands.pub_upgrade_command(data.args) end, {
     nargs = "*",