[#528] docs: remove reference to WrappersToGenerate.kt

CONTRIBUTING.md

@@ -16,7 +16,7 @@ There's also a designated template for it, and the rule of checking if the reque
 
 Apart from filing an issue using the template, we strongly encourage you to:
 * ask the owner to provide the typings using https://github.com/krzema12/github-actions-typing - it greatly limits the amount of work needed in this DSL library, both when adding and maintaining support for actions. For inspiration how such request could look, see https://github.com/madhead/read-java-properties/issues/36
-* create a PR that adds support for the action. Start by modifying [wrapper-generator/.../WrappersToGenerate.kt](https://github.com/krzema12/github-workflows-kt/blob/main/wrapper-generator/src/main/kotlin/it/krzeminski/githubactions/wrappergenerator/WrappersToGenerate.kt) and then running `./gradlew :wrapper-generator:run` to (re)generate various files
+* create a PR that adds support for the action. Start by adding an appropriate file to the [actions](actions) directory and then running `./gradlew :wrapper-generator:run` to (re)generate various files
 
 ## Contributing a feature
 

library/src/main/kotlin/it/krzeminski/githubactions/actions/CustomAction.kt

@@ -4,7 +4,7 @@ package it.krzeminski.githubactions.actions
  * CustomAction can be used when there is no type-safe wrapper action
  * and a quickly untyped wrapper is needed to fill the blank.
  *
- * Consider contributing a proper wrapper to the library, see WrappersToGenerate.kt in wrapper-generator module.
+ * Consider adding first-class support for your action! See CONTRIBUTING.md.
  */
 public class CustomAction(
     override val actionOwner: String,