update naming and docs

action.yml

@@ -8,6 +8,13 @@ inputs:
     description: >
       Relative path under $GITHUB_WORKSPACE to the repository.
       Defaults to $GITHUB_WORKSPACE.
+  add-paths:
+    description: >
+      A comma or newline-separated list of file paths to commit.
+      Paths should follow git's pathspec syntax.
+      Defaults to adding all new and modified files.
+    default: |
+      -A
   commit-message:
     description: 'The message to use when committing changes.'
     default: '[create-pull-request] automated change'
@@ -64,10 +71,6 @@ inputs:
   draft:
     description: 'Create a draft pull request'
     default: false
-  add-pattern-array:
-    description: 'git add [pattern]'
-    default: |
-      -A
 outputs:
   pull-request-number:
     description: 'The pull request number'