3.0.0

- prepare new release
- use version in Gradle snippets

pages/docs/adding.md

@@ -19,7 +19,7 @@ Add `dumpAst` as a dependency:
 
 ```
 dependencies {
-    implementation group: 'de.tudresden.inf.st', name: 'dumpAst', version: '1.2.0'
+    implementation group: 'de.tudresden.inf.st', name: 'dumpAst', version: '{{dumpAst_version()}}'
 }
 ```
 
@@ -38,7 +38,7 @@ ls dumpAst.base/build/libs/
 This jar can then be copied to your project.
 
 ```bash
-cp dumpAst.base/build/libs/dumpAst.base-fatJar-<version>.jar ../your-project/libs/dumpAst.jar
+cp dumpAst.base/build/libs/dumpAst.base-fatJar-{{dumpAst_version()}}.jar ../your-project/libs/dumpAst.jar
 cd ../your-project/
 ```