add documentation

ghost/rootfs/usr/local/etc/disqus.conf

@@ -0,0 +1,16 @@
+
+<div id="disqus_thread"></div>
+<script type="text/javascript">
+    var disqus_shortname = '<SHORTNAME>';
+    var disqus_identifier = '{{post.id}}';
+ 
+    /* * * DON'T EDIT BELOW THIS LINE * * */
+    (function() {
+        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
+        dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
+        (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
+    })();
+</script>
+<noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
+<a href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a>
+

ghost/rootfs/usr/local/etc/ghost.example.conf

@@ -0,0 +1,21 @@
+{
+  "url": "https://my-ghost-blog.com",
+
+  "server": {
+    "host": "0.0.0.0",
+    "port": "2368"
+  },
+
+  "database": {
+    "client": "sqlite3",
+    "connection": {
+      "filename": "content/data/ghost-dev.db"
+    },
+    "useNullAsDefault": true,
+    "debug": false
+  },
+
+  "mail": {
+    "transport": "Direct"
+  }
+}

ghost/rootfs/usr/local/etc/isso.conf

@@ -0,0 +1,7 @@
+</footer>
+<script data-isso="//<HOST>/"
+        data-isso-avatar="<AVATAR>"
+        data-isso-vote="<VOTE>"
+        src="//<HOST>/js/embed.min.js"></script>
+
+<section id="isso-thread"></section>