Update notifications.yaml

Assigned Audio files to Sound-Notification event:
- 00-i232 (Building offline) to DisablePower
- 00-i230 (Building online) to EnablePower 

Assigned Audio files to Speech-Notification event:
- 00-i064 (cannot comply, building in progress) to NoBuild:
- 00-i038 (Reinforcements have arrived) to ReinforcementsArrived:
Merge pull request #6482 from LipkeGu/patch-1

Assign Audio files to the "NoBuild", "DisablePower", "EnablePower" and  "ReinforcementsArrived" events