Merge branch 'rust-workshop' into 'master'

events: add another workshop

See merge request !19

en/events.md

@@ -5,6 +5,7 @@ title: Events
 - Ongoing:
    - **card10 reworking/soldering/firmware/etc.**: card10 village (R8); for firmware work, please bring your laptop with a clone of the firmware git and the [toolchain](firmware.card10.badge.events.ccc.de/how-to-build.html)
 - Upcoming:
+   - **Rust l0dables on the card10 badge**: Day 2 10:00 at Johnson, [Description](https://events.ccc.de/camp/2019/wiki/Session:Rust_l0dables_on_the_card10_badge)
    ...