default locale to :ca, edit en.yml

config/initializers/decidim.rb

@@ -19,7 +19,7 @@
   # Sets the default locale for new organizations. When creating a new
   # organization from the System area, system admins will be able to overwrite
   # this value for that specific organization.
-  config.default_locale = Rails.application.secrets.decidim[:default_locale].presence || :en
+  config.default_locale = Rails.application.secrets.decidim[:default_locale].presence || :ca
 
   # Restrict access to the system part with an authorized ip list.
   # You can use a single ip like ("1.2.3.4"), or an ip subnet like ("1.2.3.4/24")

config/locales/en.yml

@@ -1 +1,32 @@
+# Files in the config/locales directory are used for internationalization
+# and are automatically loaded by Rails. If you want to use locales other
+# than English, add the necessary files in this directory.
+#
+# To use the locales, use `I18n.t`:
+#
+#     I18n.t 'hello'
+#
+# In views, this is aliased to just `t`:
+#
+#     <%= t('hello') %>
+#
+# To use a different locale, set it with `I18n.locale`:
+#
+#     I18n.locale = :es
+#
+# This would use the information in config/locales/es.yml.
+#
+# The following keys must be escaped otherwise they will not be retrieved by
+# the default I18n backend:
+#
+# true, false, on, off, yes, no
+#
+# Instead, surround them with single quotes.
+#
+# en:
+#   'true': 'foo'
+#
+# To learn more, please read the Rails Internationalization guide
+# available at https://guides.rubyonrails.org/i18n.html.
+
 en: