refactor!: remove next.js (#3267)

scripts/setup/global.ts

@@ -1,3 +1,11 @@
 import { setupGlobal } from '@affine/env/global';
 
+import { getRuntimeConfig } from '../../apps/core/.webpack/runtime-config';
+
+globalThis.runtimeConfig = getRuntimeConfig({
+  distribution: 'browser',
+  mode: 'development',
+  channel: 'canary',
+});
+
 setupGlobal();