update example.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

.github/main.workflow

@@ -9,10 +9,10 @@ action "Executing remote ssh commands" {
   uses = "appleboy/ssh-action@master"
   secrets = [
     "HOST",
-    "USERNAME",
     "PASSWORD",
   ]
   args = [
+    "--user", "actions",
     "--script", "whoami",
   ]
 }

README.md

@@ -2,9 +2,11 @@
 
 [GitHub Action](https://developer.github.com/actions/) for executing remote ssh commands.
 
+<img src="./images/ssh-workflow.png">
+
 ## Usage
 
-copy files and artifacts via SSH as blow.
+Executing remote ssh commands.
 
 ```
 action "Copy multiple file" {