Add latest-tag to workflows

.github/workflows/latest.yml

@@ -0,0 +1,18 @@
+name: Add latest tag to new release
+on:
+  release:
+    types: [published]
+
+jobs: 
+  run:
+    name: Add/update tag to new release
+    runs-on: ubuntu-latest
+
+    steps: 
+    - name: Checkout repository
+      uses: actions/checkout@master
+
+    - name: Run latest-tag
+      uses: EndBug/latest-tag@latest
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -11,7 +11,7 @@ Add a step like this to your workflow:
 
 ```yaml
 - name: Commit changes # This is the step name that will be displayed in your runs
-  uses: EndBug/add-and-commit@v1.0.0 # You can change this to use a specific version
+  uses: EndBug/add-and-commit@latest # You can change this to use a specific version
   with: # See more info about inputs below
     author_name: Your Name
     author_email: mail@example.com
@@ -61,7 +61,7 @@ jobs:
       run: eslint "src/**" --fix
 
     - name: Commit changes
-      uses: EndBug/add-and-commit@v1.0.0 
+      uses: EndBug/add-and-commit@latest 
       with:
         author_name: Your Name
         author_email: mail@example.com