Allow multiple inventory years, add region and country population during onboarding

app/env.example

@@ -17,3 +17,4 @@ VERIFICATION_TOKEN_SECRET="80c70dfdeedf2c01757b880d39c79214e915c786dd48d5473c9c0
 HUGGINGFACE_API_KEY=hf_MY_SECRET_KEY
 OPENAI_API_KEY=sk-MY_SECRET_KEY
 CHAT_PROVIDER=huggingface
+NEXT_PUBLIC_OPENCLIMATE_API_URL="https://openclimate.openearth.dev"

app/migrations/20240318105130-region-population.cjs

@@ -0,0 +1,16 @@
+"use strict";
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.addColumn(
+      "Population",
+      "region_population",
+      Sequelize.BIGINT,
+    );
+  },
+
+  async down(queryInterface) {
+    await queryInterface.removeColumn("Population", "region_population");
+  },
+};