Move the main help page

It was on /help/en/index, now it is on both /help/en and /help

help/help.go

@@ -5,11 +5,14 @@ import (
 	"embed"
 )
 
-//go:embed en
+//go:embed en en.myco
 var fs embed.FS
 
 // Get determines what help text you need and returns it. The path is a substring from URL, it follows this form:
 //     <language>/<topic>
 func Get(path string) ([]byte, error) {
+	if path == "" {
+		return Get("en")
+	}
 	return fs.ReadFile(path + ".myco")
 }

views/stuff.qtpl

@@ -66,7 +66,7 @@
 	<h2 class="layout-card__title">Help topics</h2>
 	<ul>
 		<li>
-			<a href="/help/en/index">Main</a>
+			<a href="/help/en">Main</a>
 		</li>
 		<li>
 			<a href="/help/en/hypha">Hypha</a>

views/stuff.qtpl.go

@@ -236,7 +236,7 @@ func streamhelpTopicsHTML(qw422016 *qt422016.Writer) {
 	<h2 class="layout-card__title">Help topics</h2>
 	<ul>
 		<li>
-			<a href="/help/en/index">Main</a>
+			<a href="/help/en">Main</a>
 		</li>
 		<li>
 			<a href="/help/en/hypha">Hypha</a>