types/evse_manager: document new Session Event enum SwitchingPhases (…

…#818)

This doc was missing in commit f6b7476,
where this enum value was added.

Signed-off-by: Moritz Barsnick <moritz.barsnick@chargebyte.com>

types/evse_manager.yaml

@@ -109,6 +109,7 @@ types:
         ReplugStarted: Signaled when the EVSE Manager virtually replugs without interrupting the session or transaction
         ReplugFinished: Signaled when the virtual replug process has finished
         PluginTimeout: Signaled when an EV has been plugged in but no authorization is present within specified ConnectionTimeout
+        SwitchingPhases: Signaled when the EVSE Manager starts switching phases
         SessionResumed: Signaled when a session is resumed at startup (e.g. because of previous powerloss)
     type: string
     enum: