fix(core): update

ts/manager.docker/index.ts

@@ -179,4 +179,12 @@ export class NpmciDockerManager {
     await this.prepare();
     return await Dockerfile.readDockerfiles(this).then(Dockerfile.testDockerfiles);
   };
+
+  /**
+   * can be used to get the Dockerfiles in the directory
+   */
+  getDockerfiles = async () => {
+    const dockerfiles = await Dockerfile.readDockerfiles(this);
+    return dockerfiles;
+  }
 }