fix README

Author: heowc

README.md

@@ -6,6 +6,8 @@ This Action for hexo enables arbitrary actions with the hexo command-line client
 
 An example workflow to clean, generate, and deploy an hexo to the default public registry follows:
 
+### 1. HCL syntax (not recommend, [it will be deprecated on September 30, 2019](https://help.github.com/en/articles/migrating-github-actions-from-hcl-syntax-to-yaml-syntax#about-the-new-yaml-syntax-for-github-actions))
+
 ```hcl
 workflow "Clean, Generate, and Deploy" {
   on = "push"
@@ -34,6 +36,33 @@ action "Deploy" {
 }
 ```
 
+### 2. YAML syntax (recommed, [how to migration](https://help.github.com/en/articles/migrating-github-actions-from-hcl-syntax-to-yaml-syntax#converting-workflow-files-in-your-repository-to-yaml-syntax))
+
+```yaml
+on: push
+name: Deploy
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+    - name: Clean
+      uses: heowc/action-hexo@master
+      with:
+        args: clean
+    - name: Generate
+      uses: heowc/action-hexo@master
+      with:
+        args: generate
+    - name: Deploy
+      uses: heowc/action-hexo@master
+      env:
+        EMAIL: input emial ...
+        NAME: input name ...
+      with:
+        args: deploy
+
+```
 ### Environment variables
 
 If using `hexo-deployer-git` when `Deploy` action,