generate jar 0.2

Author: YingxuH

build.gradle

@@ -35,7 +35,7 @@ test {
 
 shadowJar {
     archiveBaseName = "duke"
-    archiveVersion = "0.1.3"
+    archiveVersion = "0.2"
     archiveClassifier = null
     archiveAppendix = null
 }