added admin guide doc to explain how to delete and terminate a process instance w/ burnettk

docs/admin_guide/admin_guide.md

@@ -0,0 +1,17 @@
+# Admin guide
+
+## Process Instance Operations
+
+### Deleting
+
+In order to delete a process instance, it must be in a terminal status, one of error, completed, or terminated.
+Once it is in one of these statuses, go to the process instance show page and click the trash can icon next to the process instance id.
+
+
+### Terminating
+
+Terminate a process instance if you want it to stop running and no future actions are needed.
+If you want to perform other administrative actions on the instance, you may want to suspend it instead.
+
+In order to terminate a process instance, it must be in a running status, anything not a terminal status.
+Once it is in one of these statuses, go to the process instance show page and click the stop icon next to the process instance id.

docs/index.md

@@ -6,6 +6,7 @@
 quick_start/quick_start.md
 documentation/documentation.md
 how_to/bpmn_unit_tests.md
+admin_guide/admin_guide.md
 wish_list/wish_list.md
 
 ```