feat: add support for account tokens and auto re-registering

packages/db/lib/migrations.dart

@@ -20,6 +20,7 @@ import 'package:db/migrations/19_static_data.dart';
 import 'package:db/migrations/20_system_record.dart';
 import 'package:db/migrations/21_system_waypoint.dart';
 import 'package:db/migrations/22_contract_deadline.dart';
+import 'package:db/migrations/23_global_config.dart';
 import 'package:db/src/migration.dart';
 
 /// All migrations in order.
@@ -46,6 +47,7 @@ final allMigrations = validateMigrations(<Migration>[
   CreateSystemRecordMigration(),
   CreateSystemWaypointMigration(),
   ContractDeadlineMigration(),
+  GlobalConfigMigration(),
 ]);
 
 /// Validates that:

packages/db/lib/migrations/18_config.dart

@@ -1,6 +1,6 @@
 import 'package:db/src/migration.dart';
 
-/// Migration to create the config_ table for storing global configuration
+/// Migration to create the config_ table for storing per-reset configuration
 /// settings.
 class CreateConfigMigration implements Migration {
   @override

packages/db/lib/migrations/23_global_config.dart

@@ -0,0 +1,19 @@
+import 'package:db/src/migration.dart';
+
+/// Migration to create the global_ table for storing global configuration
+/// settings.
+class GlobalConfigMigration implements Migration {
+  @override
+  int get version => 23;
+
+  @override
+  String get up => '''
+    CREATE TABLE IF NOT EXISTS "global_" (
+      "key" TEXT NOT NULL PRIMARY KEY,
+      "value" TEXT NOT NULL
+    );
+  ''';
+
+  @override
+  String get down => 'DROP TABLE IF EXISTS "global_";';
+}