Add SRE improvisation

README.md

@@ -1083,6 +1083,12 @@ Also see the Debugging section in this doc.
 - [Incident Management Resources](https://resources.sei.cmu.edu/library/asset-view.cfm?assetID=505044), Carnegie Mellon University
 - [Sterile flight deck rule](https://en.wikipedia.org/wiki/Sterile_flight_deck_rule), Wikipedia
 - [Shamir Secret Sharing It’s 3am.](https://max.levch.in/post/724289457144070144/shamir-secret-sharing-its-3am-paul-the-head-of)
+- [Site Reliability Engineering and the Art of Improvisation](https://thenewstack.io/site-reliability-engineering-and-the-art-of-improvisation/) has lots of good training ideas
+  - Walkthroughs of observability toolsets
+  - Decision requirements table building
+  - Team knowledge elicitation
+  - Asking the question, “Why do we have on-call?”
+  - Spin the Wheel of Expertise!
 
 Alerting:
 
@@ -1105,7 +1111,6 @@ Alerting:
 - [Human error models and management](https://app.box.com/s/7z35l09amvr1vwxouh2s)
   - High reliability organisations — which have less than their fair share of accidents — recognise that human variability is a force to harness in averting errors, but they work hard to focus that variability and are constantly preoccupied with the possibility of failure
 
-
 > "Let’s plan for a future where we’re all as stupid as we are today."
 >
 > – Dan Milstein