Add bash script for quick selfsign cert
Add bash script for quick selfsign cert

Since WebRTC requires you to use HTTPS, I wrote a bash script to quickly
create the certificates necessary to use when serving HTTPS and WSS
(self-signed and totally unsecure but works for testing :smile: )

raulsntos/webrtc-elements,raulsntos/webrtc-elements,raulsntos/webrtc-elements