Adding example diagram as a template for a new diagram

packages/mermaid-example-diagram/src/exampleDiagram.spec.js

@@ -0,0 +1,16 @@
+import { parser } from './parser/info';
+import infoDb from './infoDb';
+describe('when parsing an info graph it', function () {
+  let ex;
+  beforeEach(function () {
+    ex = parser;
+    ex.yy = infoDb;
+  });
+
+  it('should handle an info definition', function () {
+    let str = `info
+    showInfo`;
+
+    ex.parse(str);
+  });
+});