add: x8

Author: arthur4ires

README.md

@@ -147,7 +147,8 @@ Lorem ipsum dolor sit amet
 - [param-miner](https://github.com/PortSwigger/param-miner) - This extension identifies hidden, unlinked parameters. It's particularly useful for finding web cache poisoning vulnerabilities.
 - [ParamPamPam](https://github.com/Bo0oM/ParamPamPam) - This tool for brute discover GET and POST parameters.
 - [Arjun](https://github.com/s0md3v/Arjun) - HTTP parameter discovery suite.
-- [ParamSpider](https://github.com/devanshbatham/ParamSpider) - Mining parameters from dark corners of Web Archives
+- [ParamSpider](https://github.com/devanshbatham/ParamSpider) - Mining parameters from dark corners of Web Archives.
+- [x8](https://github.com/Sh1Yo/x8) - Hidden parameters discovery suite written in Rust.
 
 ### Fuzzing