add logging

index.js

@@ -16,6 +16,8 @@ async function main() {
 			new_tags: core.getInput('new-tags').trim().split('\n'),
 		};
 
+		console.log('Tagging %s:%s with new tags', input.image, input.old_tag, input);
+
 		const manifest = await get_manifest(`${input.registry}/v2/${input.image}/manifests/${input.old_tag}`);
 		const promises = input.new_tags.map((new_tag) => {
 			return put_manifest(`${input.registry}/v2/${input.image}/manifests/${new_tag}`, manifest);
@@ -25,6 +27,7 @@ async function main() {
 	}
 	
 	catch (error) {
+		console.error(error);
 		core.setFailed(error.message);
 	}
 }