Add plugin widget

Change-Id: I55f006bfe1d60e6fe8e73b801171e507a62b97d9
diff --git a/templates/main.html b/templates/main.html
new file mode 100644
index 0000000..3b41330
--- /dev/null
+++ b/templates/main.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <script data-server="{{ .korapServer }}" src="client.js"></script>
+    <title>{{ .title }}</title>
+  </head>
+  <body>
+  </body>
+</html>