Make inputs optional

Closes #125

action.yml

@@ -10,23 +10,23 @@ branding:
 inputs:
   REPO:
     description: "The path to the repository where the action will be used, e.g. 'alstr/my-repo' (automatically set)"
-    required: true
+    required: false
     default: '${{ github.repository }}'
   BEFORE:
     description: 'The SHA of the last pushed commit (automatically set)'
-    required: true
+    required: false
     default: '${{ github.event.before || github.base_ref }}'
   COMMITS:
     description: 'An array of commit objects describing the pushed commits'
-    required: true
+    required: false
     default: '${{ toJSON(github.event.commits) }}'
   DIFF_URL:
     description: 'The URL to use to get the diff (automatically set)'
-    required: true
+    required: false
     default: '${{ github.event.pull_request.diff_url }}'
   SHA:
     description: 'The SHA of the latest commit (automatically set)'
-    required: true
+    required: false
     default: '${{ github.sha }}'
   TOKEN:
     description: 'The GitHub access token to allow us to retrieve, create and update issues (automatically set)'
@@ -40,11 +40,11 @@ inputs:
     required: false
   CLOSE_ISSUES:
     description: 'Optional input that specifies whether to attempt to close an issue when a TODO is removed'
-    required: true
+    required: false
     default: true
   AUTO_P:
     description: 'For multiline TODOs, format each line as a new paragraph when creating the issue'
-    required: true
+    required: false
     default: true
   PROJECTS_SECRET:
     description: 'Encrypted secret corresponding to your personal access token (do not enter the actual secret)'
@@ -60,11 +60,11 @@ inputs:
     required: false
   AUTO_ASSIGN:
     description: 'Automatically assign new issues to the user who triggered the action'
-    required: true
+    required: false
     default: false
   ACTOR:
     description: 'The username of the person who triggered the action'
-    required: true
+    required: false
     default: '${{ github.actor }}'
   ISSUE_TEMPLATE:
     description: 'The template used to format new issues'