added FAQ

app/templates/Homepage/default.latte

@@ -56,4 +56,18 @@
 <div id="comments">
 	<h1>Feedback</h1>
 	<p>Please email me in case of any questions, comments or bugs, or go to <a href="https://github.com/juzna/apigen-generator/issues">GitHub Issues</a>.</p>
+</div>
+
+<div>
+	<h1>FAQ</h1>
+
+	<p>
+		<strong>Q:</strong> Can I update doc, which has been already generated?<br>
+		<strong>A:</strong> You don't need to. Just push your changes to GitHub and the doc will get automatically updated after about an hour.
+		  Button for explicit <em>refresh</em> will be added <a href="https://github.com/juzna/apigen-generator/issues/9">later</a>.
+	</p>
+	<p>
+		<strong>Q:</strong> Why X/Y doesn't work?<br>
+		<strong>A:</strong> We just started working on this project, be patient please.
+	</p>
 </div>