Adding image

Author: Oxyjun

src/assets/images/durable-objects/lifecycle-of-a-do.png

@@ -44,7 +44,7 @@ A Durable Object can be in one of the following states at any moment:
 
 This is how a Durable Object transitions among these states (each state is in a rounded rectangle).
 
-[PLACEHOLDER FOR IMAGE]
+![Lifecycle of a Durable Object](~/assets/images/durable-objects/lifecycle-of-a-do.png)
 
 Assuming a Durable Object does not run, the first incoming request or event (like an Alarm) will execute the `constructor()` of the Durable Object class, then run the corresponding function invoked.