Implement SubprojectAddresses in Subprojects

db/migrate/20250723134650_add_subproject_relation_to_subproject_addresses.rb

@@ -0,0 +1,5 @@
+class AddSubprojectRelationToSubprojectAddresses < ActiveRecord::Migration[8.0]
+  def change
+    add_column :subproject_addresses, :subproject_id, :integer
+  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[8.0].define(version: 2025_07_22_152542) do
+ActiveRecord::Schema[8.0].define(version: 2025_07_23_134650) do
   create_table "clients", force: :cascade do |t|
     t.string "company_name"
     t.string "firstname"
@@ -44,6 +44,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_07_22_152542) do
     t.text "notes"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "subproject_id"
   end
 
   create_table "subprojects", force: :cascade do |t|