Added support for GPG

action.yml

@@ -36,6 +36,14 @@ inputs:
   settings-path:
     description: 'Path to where the settings.xml file will be written. Default is ~/.m2.'
     required: false
+  gpg-private-key:
+    description: 'GPG private key to import. Default is empty string.'
+    required: false
+  gpg-passphrase:
+    description: 'Environment variable name for the GPG private key passphrase. Default is
+       $GPG_PASSPHRASE.'
+    required: false
 runs:
   using: 'node12'
-  main: 'dist/index.js'
+  main: 'dist/setup/index.js'
+  post: 'dist/cleanup/index.js'