Add dev carousel to homepage (#12330)

Author: shreya8040

openlibrary/i18n/messages.pot

@@ -6049,6 +6049,10 @@ msgstr ""
 msgid "Authors Alliance & MIT Press"
 msgstr ""
 
+#: home/index.html
+msgid "Books in Local Environment"
+msgstr ""
+
 #: home/loans.html
 #, python-format
 msgid ""

openlibrary/templates/home/index.html

@@ -35,6 +35,9 @@
     $:macros.QueryCarousel(title=_('Textbooks'), key="textbooks", query="subject_key:textbooks publish_year:[1990 TO *] ebook_access:[borrowable TO *]", url="/subjects/textbooks", sort='trending', user_lang_only=True)
     $:macros.QueryCarousel(title=_("Authors Alliance & MIT Press"), key="authorsalliance_mit_press", query='(subject:authorsalliance OR publisher:"MIT Press" OR subject:mitpress) ebook_access:[borrowable TO *]', sort='trending', user_lang_only=True)
 
+  $if "dev" in ctx.features:
+    $:macros.QueryCarousel(title=_('Books in Local Environment'), query='*', use_cache=False)
+
   $:render_template("home/categories", test=test)
 
   $:render_template("home/stats", stats)