feat: add @affine/sdk (#3536)

packages/sdk/vite.config.ts

@@ -0,0 +1,23 @@
+import { resolve } from 'node:path';
+
+import { fileURLToPath } from 'url';
+import { defineConfig } from 'vite';
+import dts from 'vite-plugin-dts';
+
+const root = fileURLToPath(new URL('.', import.meta.url));
+
+export default defineConfig({
+  build: {
+    minify: false,
+    lib: {
+      entry: {
+        entry: resolve(root, 'src/entry.ts'),
+        server: resolve(root, 'src/server.ts'),
+      },
+    },
+    rollupOptions: {
+      external: [/^jotai/, /^@blocksuite/, 'zod'],
+    },
+  },
+  plugins: [dts()],
+});