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

db/migrate/20230209105256_create_action_text_tables.action_text.rb

@@ -0,0 +1,26 @@
+# This migration comes from action_text (originally 20180528164100)
+class CreateActionTextTables < ActiveRecord::Migration[6.0]
+  def change
+    # Use Active Record's configured type for primary and foreign keys
+    primary_key_type, foreign_key_type = primary_and_foreign_key_types
+
+    create_table :action_text_rich_texts, id: primary_key_type do |t|
+      t.string     :name, null: false
+      t.text       :body, size: :long
+      t.references :record, null: false, polymorphic: true, index: false, type: foreign_key_type
+
+      t.timestamps
+
+      t.index [ :record_type, :record_id, :name ], name: "index_action_text_rich_texts_uniqueness", unique: true
+    end
+  end
+
+  private
+    def primary_and_foreign_key_types
+      config = Rails.configuration.generators
+      setting = config.options[config.orm][:primary_key_type]
+      primary_key_type = setting || :primary_key
+      foreign_key_type = setting || :bigint
+      [primary_key_type, foreign_key_type]
+    end
+end

db/schema.rb

@@ -10,7 +10,17 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_01_06_144440) do
+ActiveRecord::Schema[7.0].define(version: 2023_02_09_105256) do
+  create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
+    t.string "name", null: false
+    t.text "body", size: :long
+    t.string "record_type", null: false
+    t.bigint "record_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["record_type", "record_id", "name"], name: "index_action_text_rich_texts_uniqueness", unique: true
+  end
+
   create_table "active_storage_attachments", id: :integer, charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false