fix history readme keys

Author: sprocketc

src/renderer/history/README.md

@@ -25,10 +25,10 @@ The end result on our db looks like this
           :states {:907fdbc9-d2ad-4697-bea3-9aa5e2c46054 {...}
                    :ed0cce51-d00e-43e0-a06a-04c72ccce98f {:elements {...} ; Our actual state
                                                           :explanation "Set x to 500.3"
-                                                          :id ed0cce51-d00e-43e0-a06a-04c72ccce98f
+                                                          :id :ed0cce51-d00e-43e0-a06a-04c72ccce98f
                                                           :timestamp 1647882725718
                                                           :index 2
                                                           :parent :907fdbc9-d2ad-4697-bea3-9aa5e2c46054
-                                                          :children [cded6d1d-619f-4974-af95-8313cefd6f87]}
+                                                          :children [:cded6d1d-619f-4974-af95-8313cefd6f87]}
                    :cded6d1d-619f-4974-af95-8313cefd6f87 {...}}}
 ```