fix gradle build errors

buildSrc/.gitignore

 build/
+.gradle/

dumpAst/build.gradle

@@ -13,6 +13,7 @@ plugins {
 apply plugin: 'jastadd'
 
 dependencies {
+    jastadd2 "org.jastadd:jastadd:2.3.4"
     implementation group: 'com.github.spullara.mustache.java', name: 'compiler', version: "${mustache_java_version}"
 }
 

dumpAstWithPlantuml/build.gradle

@@ -37,6 +37,9 @@ jar {
     archiveBaseName = 'dumpAst-plantuml'
 }
 
+// include resources of base dumpAst
+sourceSets.main.resources.srcDirs += "../dumpAst/src/main/resources"
+
 File genSrc = file("src/gen/java")
 sourceSets.main.java.srcDir genSrc
 idea.module.generatedSourceDirs += genSrc