Add link to channel logs

Author: cyrozap

getinvolved.md

@@ -10,6 +10,7 @@ Want to contribute to the project? We suggest joining the developer chat, which
 * Discord: [\#scopehal on 1bitsquared](https://discord.gg/URuN2BuGwG)
 
 Both the IRC and Discord channels are bridged so you can talk to everyone using either protocol.
+Public logs of the bridged channels can be found [here](https://libera.irclog.whitequark.org/scopehal/).
 
 The developer chat is the primary mechanism for active developers to discuss features they're working on, help each other out, and coordinate the overall direction of the project.