Adds GitHub Actions for publishing to Maven Central #704

Job	Run time
AAS Repository - Build and Start Docker Image	2m 16s
AAS Registry Log MongoDB - Build and Start Docker Image	2m 50s
AAS Repository MongoDB - Build and Start Docker Image	2m 40s
AAS Environment - Build and Start Docker Image	2m 27s
Concept Description Repository MongoDB - Build and Start Docker Image	2m 36s
AAS Environment MongoDB - Build and Start Docker Image	2m 46s
Submodel Repository - Build and Start Docker Image	3m 7s
AAS Discovery MongoDB - Build and Start Docker Image	2m 50s
Submodel Registry Kafka Mem - Build and Start Docker Image	3m 45s
Concept Description Repository - Build and Start Docker Image	3m 2s
Submodel Service - Build and Start Docker Image	2m 27s
Submodel Repository MongoDB - Build and Start Docker Image	2m 48s
AAS Discovery - Build and Start Docker Image	3m 7s
AAS Registry Kafka Mem - Build and Start Docker Image	4m 14s
AASX File Server - Build and Start Docker Image	2m 19s
AAS Registry Log Mem - Build and Start Docker Image	2m 45s
AAS Registry Kafka MongoDB - Build and Start Docker Image	3m 28s
Submodel Registry Kafka MongoDB - Build and Start Docker Image	3m 24s
Submodel Registry Log Mem - Build and Start Docker Image	3m 7s
Submodel Registry Log MongoDB - Build and Start Docker Image	3m 30s
	59m 28s

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