feat(messages): add html formatting to messages

This commit allows users to use the trix editor to send
messages with basic formatting and attachements.

* add active storage
* add actiontext
* add richtext field to messages
* add imageprocessing for message attachements
* add html email layout and adjust translations to use html urls

plugins/messages/config/locales/de.yml

@@ -138,6 +138,9 @@ de:
         Antworten: %{reply_url}
         Nachricht online einsehen: %{msg_url}
         Nachrichten-Einstellungen: %{profile_url}
+      reply: Antworten
+      see_message_online: Nachricht online einsehen
+      messaging_options: Nachrichten-Einstellungen
       footer_group: |
         Gesendet an Gruppe: %{group}
   navigation:

plugins/messages/config/locales/en.yml

@@ -140,6 +140,9 @@ en:
         Reply: %{reply_url}
         See message online: %{msg_url}
         Messaging options: %{profile_url}
+      reply: Reply
+      see_message_online: See message online
+      messaging_options: Messaging options
       footer_group: |
         Sent to group: %{group}
   navigation:

plugins/messages/config/locales/fr.yml

@@ -67,6 +67,9 @@ fr:
         Répondre: %{reply_url}
         Afficher ce message dans ton navigateur: %{msg_url}
         Préférences des messages: %{profile_url}
+      reply: Répondre
+      see_message_online: Afficher ce message dans ton navigateur
+      messaging_options: Préférences des messages
   simple_form:
     labels:
       settings:

plugins/messages/config/locales/nl.yml

@@ -140,6 +140,9 @@ nl:
         Antwoorden: %{reply_url}
         Bericht online lezen: %{msg_url}
         Berichtinstellingen: %{profile_url}
+      reply: Antwoorden
+      see_message_online: Bericht online lezen
+      messaging_options: Berichtinstellingen
       footer_group: |
         Verzenden aan groep: %{group}
   navigation: