Modularize, avoid shade plugin by default.

Change-Id: I704d78b7553f057f73e1387078623d8fe5d0b154
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
new file mode 100644
index 0000000..e7d9c77
--- /dev/null
+++ b/src/main/java/module-info.java
@@ -0,0 +1,3 @@
+module aendggner {
+  requires info.picocli;
+}