Add POTTERY library reference

README.md

@@ -790,7 +790,7 @@ For example:
 * [C-Macro-Collections](https://github.com/LeoVen/C-Macro-Collections)
 * [COLLECTIONS-C](https://github.com/srdja/Collections-C)
 * [CONCURRENCY KIT](https://github.com/concurrencykit/ck)
-* [CTL by glouw](https://github.com/glouw/ctl) or [by rurban](https://github.com/rurban/ctl)
+* CTL [by glouw](https://github.com/glouw/ctl) or [by rurban](https://github.com/rurban/ctl)
 * [GDB internal library](https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob;f=gdb/common/vec.h;h=41e41b5b22c9f5ec14711aac35ce4ae6bceab1e7;hb=HEAD)
 * [GLIB](https://wiki.gnome.org/Projects/GLib)
 * [KLIB](https://github.com/attractivechaos/klib)
@@ -801,6 +801,7 @@ For example:
 * [LIBLFDS](https://www.liblfds.org/)
 * [LIBSRT:  Safe Real-Time library for the C programming language](https://github.com/faragon/libsrt)
 * [NEDTRIES](https://github.com/ned14/nedtries)
+* [POTTERY](https://github.com/ludocode/pottery)
 * [QLIBC](http://wolkykim.github.io/qlibc/)
 * [SGLIB](http://sglib.sourceforge.net/)
 * [Smart pointer for GNUC](https://github.com/Snaipe/libcsptr)