Rules: update

Rules

@@ -11,18 +11,21 @@ SURAH_ID_TO_SLUG = Ryo.from(
 
 ##
 # Root path (/)
-compile "/index.html" do
+# Redirects to a random surah no
+compile "/html/random_redirect.html" do
   write("/index.html")
 end
 
 ##
 # /<locale>/<surahno>/surah.json
+# Provides the JSON for a given surah no
 1.upto(114) do |surahno|
   LOCALES.each { passthrough "/#{_1}/#{surahno}/surah.json" }
 end
 
 ##
 # /<locale>/<surahno>/index.html
+# Redirects to a slug URL (eg /en/al-fatihah/)
 compile "/html/slug_redirect.html.erb" do
   filter :erb
   1.upto(114) do |surahno|
@@ -32,9 +35,10 @@ end
 
 ##
 # /<locale>/surah_slug>/index.html
+# For reading a given surah
 Ryo.each(SURAH_ID_TO_SLUG) do |surah_id, slug|
   LOCALES.each do |locale|
-    compile "/html/surah.html", rep: "#{locale}/#{slug}" do
+    compile "/html/surah.html.erb", rep: "/#{locale}/#{slug}/index.html" do
       filter :erb, locals: {locale: locale, surah_id: surah_id}
       write "/#{locale}/#{slug}/index.html"
     end