add token-icons (#31)

Co-authored-by: Laxman <bytemode@outlook.com>

readme.md

@@ -59,6 +59,7 @@ Logos of different brands or companies or technologies.
 - [Devicon](https://github.com/devicons/devicon#readme) - Aims to gather all logos representing development languages and tools. ([Website](https://devicons.github.io/devicon))
 - [Simple icons](https://github.com/simple-icons/simple-icons#readme) - Free SVG icons for popular brands. ([Website](https://simpleicons.org))
 - [VectorLogoZone](https://github.com/VectorLogoZone/vectorlogozone#readme) - Consistently sized/formated SVG logos. ([Website](https://www.vectorlogo.zone/))
+- [Token Icons](https://github.com/0xa3k5/token-icons#readme) - Over 2,500 optimized SVG crypto & network icons as React components and SVG imports for web3.
 
 ## Special