Added Jan 25 Meetup to Upcoming Events section

Signed-off-by: Stacey Potter <50154848+staceypotter@users.noreply.github.com>

docs/index.md

@@ -86,6 +86,7 @@ Depending on what you want to do, some of the following bits might be your first
 
 ### Upcoming Events
 - 11 Jan 2021 - [Helm + GitOps = ⚡️⚡️⚡️ with Scott Rigby](https://www.meetup.com/GitOps-Community/events/275348736/)
+- 25 Jan 2021 - [GitOps Core Concepts & How to Teach Your Teams with Leigh Capili](https://www.meetup.com/GitOps-Community/events/275625806/)
 
 ### Featured Talks
 - 14 Dec 2020 - [The Power of GitOps with Flux and Flagger (GitOps Hands-On) with Leigh Capili](https://youtu.be/cB7iXeNLteE)