update feature list

Author: serenibyss

README.md

@@ -27,6 +27,7 @@ This build script was heavily inspired by the build script created by GT New Hor
 - Automatic mixin JSON generation, as well as mcmod.info and pack.mcmeta if they are missing
 - Dependency shadowing for releasing dependencies in your builds, more info [here](https://github.com/GregTechCEu/Buildscripts/blob/master/docs/shadow.md)
 - Automatic changelog generation by generating a list of all commits between the current tag and the previous tag
+- Automatic mod version detection from the latest git tag (or manually specified, if you prefer)
 
 And many more to come! And of course, all of these features are toggleable via an option in `gradle.properties`.