Begin working on the migration script upon world load for Actors

module/migrations/checkMigrations.mjs

@@ -0,0 +1,24 @@
+import { __ID__ } from "../consts.mjs";
+import { Logger } from "../utils/Logger.mjs";
+import { migrateTo3_0_0 } from "./v3.0.0.mjs";
+
+const { isNewerVersion } = foundry.utils;
+
+export async function checkMigrations() {
+	if (!game.user.isActiveGM) {
+		Logger.debug(`User not active GM, skipping data migrations`);
+		return;
+	};
+
+	const migrationVersion = game.settings.get(__ID__, `migrationVersion`);
+	let updateVersion = !migrationVersion;
+
+	if (isNewerVersion("3.0.0", migrationVersion)) {
+		await migrateTo3_0_0();
+		updateVersion = true;
+	};
+
+	if (updateVersion) {
+		game.settings.set(__ID__, `migrationVersion`, game.system.version);
+	};
+};