prettizy and zig-syslinfo added (#73)

Co-authored-by: Javier Orfo <javierorfo@prontonmail.com>

README.md

@@ -184,6 +184,7 @@ TOC is generated by [markdown-toc](https://github.com/jonschlinkert/markdown-toc
 - [winksaville/zig-parse-number](https://github.com/winksaville/zig-parse-number) : Implement ParseNumber which can parse any TypeId.Int or TypeId.Float.
 - [demizer/markzig](https://github.com/demizer/markzig) : Pure Zig Markdown Parser.
 - [thejoshwolfe/hexdump-zip](https://github.com/thejoshwolfe/hexdump-zip) : produce an annotated hexdump of a zipfile.
+- [javiorfo/prettizy](https://github.com/javiorfo/prettizy) : Zig library to prettify JSON and XML strings.
 
 ## Logging Processing
 
@@ -301,6 +302,7 @@ TOC is generated by [markdown-toc](https://github.com/jonschlinkert/markdown-toc
 - [ZeeBoppityZagZiggity/ZBZZ.OS](https://github.com/ZeeBoppityZagZiggity/ZBZZ.OS) : An operating system built with RISCV and Zig.
 - [pbui-project/pbui-main](https://github.com/pbui-project/pbui-main) : The PBUI (POSIX-compliant BSD/Linux Userland Implementation) project is a a free and open source project intended to implement some standard library toolsets in the Zig programming language.
 - [momumi/x86-zig](https://github.com/momumi/x86-zig) : library for assembling x86 in zig (WIP).
+- [javiorfo/zig-syslinfo](https://github.com/javiorfo/zig-syslinfo) : Linux sysinfo Zig library.
 
 ## Robot Operating System