Add Robotic Tooling (#1905)

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

readme.md

@@ -536,6 +536,7 @@
 - [Bluetooth Beacons](https://github.com/rabschi/awesome-beacon#readme)
 - [Electric Guitar Specifications](https://github.com/gitfrage/guitarspecs#readme) - Checklist for building your own electric guitar.
 - [Plotters](https://github.com/beardicus/awesome-plotters#readme) - Computer-controlled drawing machines and other visual art robots.
+- [Robotic Tooling](https://github.com/protontypes/awesome-robotic-tooling#readme) - Free and open tools for professional robotic development.
 - [LIDAR](https://github.com/szenergy/awesome-lidar#readme) - Sensor for measuring distances by illuminating the target with laser light.
 
 ## Business