add server to monorepo.

packages/server/src/loaders/database.ts

@@ -0,0 +1,10 @@
+import Knex from 'knex';
+import { knexSnakeCaseMappers } from 'objection';
+import { systemKnexConfig } from '@/config/knexConfig';
+
+export default () => {
+  return Knex({
+    ...systemKnexConfig,
+    ...knexSnakeCaseMappers({ upperCase: true }),
+  });
+};