Refine README

README.md

@@ -1,7 +1,24 @@
-# Fullstack Examples of uniffi-rs
+# Fullstack Examples of UniFFI-rs
+
+Full documentation of the UniFFI crates can be found [here](https://mozilla.github.io/uniffi-rs/Overview.html).
 
 Working in progress
 
+## Prerequisites
+
+### iOS
+
+1. Latest Xcode (13.x)
+1. Rust toolchains for iOS: `rustup target add aarch64-apple-ios-sim --toolchain nightly && rustup target add aarch64-apple-ios x86_64-apple-ios`. Check installaion:
+    ```shell
+    $ rustup target list --installed | grep ios
+    aarch64-apple-ios
+    aarch64-apple-ios-sim
+    x86_64-apple-ios
+    ```
+    Please note that `aarch64-apple-ios-sim` requries the nightly toolchain (<https://doc.rust-lang.org/nightly/rustc/platform-support/aarch64-apple-ios-sim.html>).
+1. Install `uniffi-bindgen`: `cargo install uniffi_bindgen`, details: <https://mozilla.github.io/uniffi-rs/tutorial/Prerequisites.html>
+
 ## License
 
 MIT

hello/README.md

@@ -2,11 +2,16 @@
 
 A shared library for the todo list application, which can be used for Android, iOS and other platforms.
 
+## Prerequisites
+
+Please refer to the root [README.md](../README.md).
 
 ## Binary Size
 
 ### iOS
 
+- Generate binaries, xcframework and Swift binding: `make all`
+
 #### With Rust binary: 503K
 
 ```shell