resources: add Open Hardware Certification Program

Original open hardware coining by B. Perens, used for open programing API:
« By certifying a hardware device as Open, the manufacturer makes a set
of promises about the availability of documentation for programming the
device-driver interface of a specific hardware device. »

Author: AbcSxyZ

resources.md

@@ -403,6 +403,7 @@ In the spirit of contribution, any recommendation that will enrich this list of
 
 ## Open Hardware
 
+- [The Open Hardware Certification Program](https://web.archive.org/web/19990224114406/http://www.openhardware.org/) [archive]
 - 🎥 [Le libre et l'open source des logiciels et objets - monsieur Bidouille](https://www.youtube.com/watch?v=y2GNVGagWdM)
 - 🕴️ [Arduino](https://www.arduino.cc/)
 - 🛠️ [Prusa](https://www.prusa3d.com/), 3D printers