Add calendar link

Author: tnull

CONTRIBUTING.md

@@ -15,13 +15,17 @@ project or pick up Rust while contributing. Don't be shy, you'll learn.
 Communications Channels
 -----------------------
 
-Communication about the devevelopment of LDK and `rust-lightning` happens primarily on the [LDK
-Discord](https://discord.gg/5AcknnMfBw) in the `#ldk-dev` channel. Additionally, live LDK devevelopment
-meetings are held every other Monday 19:00 UTC in the [LDK Dev Jitsi Meeting
-Room](https://meet.jit.si/ldkdevmeeting).
+Communication about the devevelopment of LDK and `rust-lightning` happens
+primarily on the [LDK Discord](https://discord.gg/5AcknnMfBw) in the `#ldk-dev`
+channel.
 
-Contributors starting out with the Rust language are welcome to discuss and ask for help in via the
-`#rust-101` channel on LDK Discord.
+Additionally, live LDK devevelopment meetings are held every other
+Monday 19:00 UTC in the [LDK Dev Jitsi Meeting
+Room](https://meet.jit.si/ldkdevmeeting). Upcoming events can be found in the
+[LDK calendar](https://calendar.google.com/calendar/embed?src=c_e6fv6vlshbpoob2mmbvblkkoj4%40group.calendar.google.com)
+
+Contributors starting out with the Rust language are welcome to discuss and ask
+for help in via the `#rust-101` channel on LDK Discord.
 
 Discussion about code base improvements happens in GitHub issues and on pull
 requests.