add: transfer project

db/migrate/20210425032825_create_applied_transfer_projects.rb

@@ -0,0 +1,12 @@
+class CreateAppliedTransferProjects < ActiveRecord::Migration[5.2]
+  def change
+    create_table :applied_transfer_projects do |t|
+      t.references :project 
+      t.references :owner
+      t.references :user
+      t.integer :status, default: 0
+
+      t.timestamps
+    end
+  end
+end