NodeBB Poll plugin, will allow you to add polls to the first post of a topic (nodebb-plugin-poll):

NodeBB Poll plugin, will allow you to add polls to the first post of a topic (nodebb-plugin-poll):
* https://github.com/NodeBB/nodebb-plugin-poll
* https://community.nodebb.org/topic/1549/nodebb-plugin-poll-poll-plugin