feat: init renderer server (#8088)

packages/backend/native/index.d.ts

@@ -8,6 +8,8 @@ export declare function fromModelName(modelName: string): Tokenizer | null
 
 export declare function getMime(input: Uint8Array): string
 
+export declare function htmlSanitize(input: string): string
+
 /**
  * Merge updates in form like `Y.applyUpdate(doc, update)` way and return the
  * result binary.