Merge branch 'main' into mixin

Author: kappa-maintainer

README.md

@@ -60,6 +60,12 @@ Rename AT file name to your modid before using it. There's an example entry in A
 
 **WARNING**: ATs from dependency won't be applied to vanilla source. 
 
+### Source Code with Comments
+
+Run `genSources` task in gradle.
+
+If you want to `find usage` from vanilla like RFG, just change the scope in IntelliJ settings.
+
 ### Running Client or Server
 You MUST add mods by using `modImplementation` or `modRuntimeOnly`, or mapping and ATs will break.