Add zircon (#87)

Author: vascocosta

README.md

@@ -522,6 +522,7 @@ TOC is generated by [markdown-toc](https://github.com/jonschlinkert/markdown-toc
 - [gernest/url](https://github.com/gernest/url) : This is RFC 3986 compliant url parser for zig.
 - [ringtailsoftware/misshod](https://github.com/ringtailsoftware/misshod) : Experimental minimalist SSH client and server in zig
 - [g41797/beanstalkz](https://github.com/g41797/beanstalkz) : Thread-safe client library for [beanstalkd](https://pmatseykanets.github.io/beanstalkd-docs/) - queue for background job processing.
+- [vascocosta/zircon](https://github.com/vascocosta/zircon) : A simple IRC library written in Zig.
 
 ## Web Framework