doc(wasi-threads): document how to use WASI threads in AOT mode

Author: eloparco

samples/wasi-threads/README.md

@@ -22,3 +22,11 @@ $ ./iwasm wasm-apps/no_pthread.wasm
 ...
 $ ./iwasm wasm-apps/exception_propagation.wasm
 ```
+
+Run samples in AOT mode (aux stack must be disabled)
+```shell
+$ ../../../wamr-compiler/build/wamrc \
+    --disable-aux-stack-check \
+    -o wasm-apps/no_pthread.aot wasm-apps/no_pthread.wasm
+$ ./iwasm wasm-apps/no_pthread.aot
+```