Allow half stars for ratings

Hi, plugin is working great and no problems. However my client would really like for visitors to be able to vote using half stars. (.5 stars, 1 star, 1.5 stars, 2 stars and so on.)

I have seen from other people asking about this that the plugin is not designed to do this. Would it be possible to donate for you to add the feature as an option in the settings screen?

If so, please let me know how much. I have seen several people wanting this in just the past couple of months in the forums here so it seems it would be a popular option.

Great plugin!

https://www.ads-software.com/plugins/wp-postratings/