Switch to side-by-side view

--- a/options.html
+++ b/options.html
@@ -8,7 +8,7 @@
         /*
         *      RecollWebext - WebExtension - Options Page
         *
-        *      A lot of code was copied from or inspired by the savepage-WE
+        *      A lot of code was copied from or inspired by the Save Page WE
         *      extension.
         *
         *      Copyright (C) 2017 jfd@recoll.org