initial work on pipeline json

tets/src/main/java/com/animal.java

@@ -0,0 +1,4 @@
+public class animal{
+    String name;
+}
+

tets/src/main/java/com/cat.java

@@ -0,0 +1,3 @@
+public class cat extends animal{
+    String meow = "mowe";
+}

tets/src/main/java/com/cow.java

@@ -0,0 +1,3 @@
+public class cow extends animal{
+    String moo = "mooo";
+}

tets/src/main/java/main.java

@@ -0,0 +1,4 @@
+package PACKAGE_NAME;
+
+public class main {
+}