chore: merge blocksuite source code (#9213)

blocksuite/framework/block-std/vitest.config.ts

@@ -0,0 +1,25 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  esbuild: {
+    target: 'es2018',
+  },
+  test: {
+    browser: {
+      enabled: true,
+      headless: true,
+      name: 'chromium',
+      provider: 'playwright',
+      isolate: false,
+      providerOptions: {},
+    },
+    include: ['src/__tests__/**/*.unit.spec.ts'],
+    testTimeout: 500,
+    coverage: {
+      provider: 'istanbul', // or 'c8'
+      reporter: ['lcov'],
+      reportsDirectory: '../../../.coverage/block-std',
+    },
+    restoreMocks: true,
+  },
+});