Update ref from a deprecated branch to main branch

Author: boulch

base.cfg

@@ -9,8 +9,8 @@ extends =
     https://dist.plone.org/release/6.1.3/versions.cfg
     https://dist.plone.org/release/6.1.3/versions-ecosystem.cfg
     https://dist.plone.org/release/6.1.3/versions-extra.cfg
-    https://raw.githubusercontent.com/IMIO/buildout.smartweb/plone613/versions.cfg
-    https://raw.githubusercontent.com/IMIO/buildout.smartweb/plone613/sources.cfg
+    https://raw.githubusercontent.com/IMIO/buildout.smartweb/main/versions.cfg
+    https://raw.githubusercontent.com/IMIO/buildout.smartweb/main/sources.cfg
 
 parts =
     instance
@@ -34,12 +34,15 @@ environment-vars =
     zope_i18n_compile_mo_files true
 eggs =
     Plone
+    horse-with-no-namespace
     Pillow
     imio.news.core
 zcml =
     imio.news.core
     imio.news.core-overrides
 
+initialization = import horse_with_no_namespace
+
 [vscode]
 recipe = collective.recipe.vscode
 eggs = ${instance:eggs}