README.md: Add bpfsnoop

Signed-off-by: Leon Hwang <leon.hwang@linux.dev>

Author: Asphaltt

README.md

@@ -5,3 +5,4 @@ Projects that use elibpcap:
 - [eCapture](https://github.com/gojue/ecapture)
 - [ptcpdump](https://github.com/mozillazg/ptcpdump)
 - [skbdist](https://github.com/Asphaltt/skbdist)
+- [bpfsnoop](https://github.com/bpfsnoop/bpfsnoop)