Fix naming of role in converge import

molecule/default/converge.yml

 ---
 - name: Converge
   hosts: all
-  vars: 
+  vars:
     service_hedgedocs_domain: "127.0.0.1"
     hedgedoc_db_user: "hedgedocs"
     hedgedoc_sql_password: "hedgedocs-sql-password"
     hedgedoc_db_name: "hedgedocs"
     hedgedoc_session_secret: "hedgedocs-secret"
-    hedgedoc_version: "1.9.7"  
+    hedgedoc_version: "1.9.7"
   roles:
     - ansible-role-hedgedocs
   tasks: