Set up index.scss

This file is for index page styles. Start by offsetting the gutter so
the title bar doesn't obscure the first entry.

stylesheets/index.scss

@@ -0,0 +1,3 @@
+.gutter {
+  margin-top: 36px;
+}

stylesheets/manifest.css

@@ -1,3 +1,6 @@
+.gutter {
+  margin-top: 36px; }
+
 @font-face {
   font-family: 'Roboto';
   src: url("/fonts/Roboto-Regular.ttf") format("truetype"); }

stylesheets/manifest.scss

@@ -6,6 +6,7 @@
   @import 'variables';
 
 // Build the main view
+  @import 'index';
   @import 'view/conversation';
 
 // Not sure where something goes, or