Refer to LibAFL in the readme

Author: domenukk

README.md

@@ -4,6 +4,8 @@ This is a patched QEMU that exposes an interface for LibAFL-based fuzzers.
 
 This raw interface is used in `libafl_qemu` that expose a more Rusty API.
 
+To use libafl_qemu, refer to the [LibAFL](https://github.com/AFLplusplus/LibAFL) repository, especially the qemu example fuzzers such as [qemu_launcher](https://github.com/AFLplusplus/LibAFL/tree/main/fuzzers/qemu_launcher)
+
 #### License
 
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