feat(aio): copy example code from angular.io

aio/content/examples/styleguide/js/spec.js

@@ -0,0 +1,8 @@
+// #docregion
+describe("Jasmine sample test", function() {
+	
+	it("1+1 should be 2", function() {
+		var result = 1 + 1;
+		expect(result).toBe(2);
+	});
+});