Add QR Code (#1873)

Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>

readme.md

@@ -729,6 +729,7 @@
 - [Credit Modeling](https://github.com/mourarthur/awesome-credit-modeling#readme) - Methods for classifying credit applicants into risk classes.
 - [Ansible](https://github.com/KeyboardInterrupt/awesome-ansible#readme) - A Python-based, open source IT configuration management and automation platform.
 - [Biological Visualizations](https://github.com/keller-mark/awesome-biological-visualizations#readme) - Interactive visualization of biological data on the web.
+- [QR Code](https://github.com/aureooms/awesome-qr-code#readme) - A type of matrix barcode that can be used to store and share a small amount of information.
 - [Veganism](https://github.com/sdassow/awesome-veganism#readme) - Making the plant-based lifestyle easy and accessible.
 
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