RAT-262: Add JSON as example data
diff --git a/apache-rat-core/src/test/resources/elements/plain.json b/apache-rat-core/src/test/resources/elements/plain.json
new file mode 100644
index 0000000..e253bcc
--- /dev/null
+++ b/apache-rat-core/src/test/resources/elements/plain.json
@@ -0,0 +1,3 @@
+{
+	json: "plain"
+}