Sync of the branch

db/migrate/20200430151828_create_matching_requests.rb

@@ -0,0 +1,9 @@
+class CreateMatchingRequests < ActiveRecord::Migration[6.0]
+  def change
+    create_table :matching_requests do |t|
+      t.belongs_to :project, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20200430190412_add_identifier_to_appearance_releases.rb

@@ -0,0 +1,5 @@
+class AddIdentifierToAppearanceReleases < ActiveRecord::Migration[6.0]
+  def change
+    add_column :appearance_releases, :identifier, :string, default: nil
+  end
+end