Fixed an issue with an incomplete example-config.json that made the

server not work at all.
Also added a default.css file

webroot/custom.css

@@ -0,0 +1,4 @@
+* {
+font-family: sans-serif;
+
+}

webroot/default.css

@@ -0,0 +1,16 @@
+body {
+    max-width: 900px;
+    margin: auto;
+}
+#header {
+    text-align: center;
+}
+#post-edit img {
+	width: 20px;
+}
+a {
+	text-decoration: none;
+}
+a:hover {
+	text-decoration: underline;
+}