Up and Downvote option

Hey, after using some other boards and reddit, I have come to love the options to up or downvote threads and answers.
while I don´t see a need to “vote” on the whole thread, i would really like to see an option when it comes to answers. Something resembling a Like would be enough to give people the opportunity to weigh in on discussions a little while the many experts around the forum carry the topic.

What are your thoughts? is it doable?