Add block generator logic.

Now we are able to generate new blocks with yeoman.

generators/block/templates/data/advanced.json

@@ -0,0 +1,14 @@
+{
+	"title": "Option Two",
+	"content": "<p><b>Delivering top results to industry leaders:</b></p>",
+	"cta_text": "Our Success Stories",
+	"url": "https://google.com"
+}
+
+/**
+ * Tips for good data.json example:
+ * - Provide Short and Long version of text (title/content).
+ * - Put <a> and <strong> elements in content.
+ * - Upload different sizes and ratios of images.
+ * - Provide options with and without CTA to test conditional logic.
+ */

generators/block/templates/data/default.json

@@ -0,0 +1,6 @@
+{
+	"title": "As a Global Salesforce Partner,\n        we deliver Service Cloud solutions\n        and complex Field Service Management\n        in diverse industries worldwide",
+	"content": "<p><b>Delivering top results to industry leaders:</b></p>",
+	"cta_text": "Our Success Stories",
+	"url": "https://google.com"
+}