Add identity uuid to users table

This may be useful for debugging.

config/analytics.yml

@@ -54,6 +54,7 @@ shared:
     - family_name
     - trn
     - date_of_birth
+    - identity_uuid
   :search_logs:
     - id
     - dsi_user_id

db/migrate/20231204210527_add_identity_uuid_to_users.rb

@@ -0,0 +1,5 @@
+class AddIdentityUuidToUsers < ActiveRecord::Migration[7.0]
+  def change
+    add_column :users, :identity_uuid, :uuid
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_11_16_115727) do
+ActiveRecord::Schema[7.0].define(version: 2023_12_04_210527) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -184,6 +184,7 @@
     t.string "family_name", limit: 510
     t.string "trn"
     t.date "date_of_birth"
+    t.uuid "identity_uuid"
     t.index ["email"], name: "index_users_on_email", unique: true
   end