new: add custom AppRun: need forked distributor

linux/packaging/appimage/AppRun

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+cd "\$(dirname "\$0")"
+export LD_LIBRARY_PATH=usr/lib
+if [ $1 == "HiddifyService" ];then
+    exec ./$@
+else
+    exec ./$appName $@
+fi

linux/packaging/appimage/make_config.yaml

@@ -29,6 +29,9 @@ categories:
 
 startup_notify: true
 
+app_run_content: "
+Hi
+"
 # You can specify the shared libraries that you want to bundle with your app
 #
 # flutter_distributor automatically detects the shared libraries that your app