Add input variables commit and title (#27)

* Add input variables `commit` and `title`

* Update action.yml

Co-authored-by: Mitchell Hamilton <mitchell@hamil.town>

action.yml

@@ -10,6 +10,13 @@ inputs:
   version:
     description: "The command to update version, edit CHANGELOG, read and delete changesets. Default to `changeset version` if not provided"
     required: false
+  commit:
+    description: |
+      The commit message. Default to `Version Packages`
+    required: false
+  title:
+    description: The pull request title. Default to `Version Packages`
+    required: false
 outputs:
   published:
     description: A boolean value to indicate whether a publishing is happened or not