OZG-4094 pom: Try out osvi2-postfach

nachrichten-manager-server/pom.xml

@@ -173,6 +173,16 @@
 			<artifactId>grpc-client-spring-boot-starter</artifactId>
 		</dependency>
 
+		<!-- oauth for osiv2-postfach -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-oauth2-client</artifactId>
+		</dependency>
+
 		<!-- commons -->
 		<dependency>
 			<groupId>org.apache.commons</groupId>

nachrichten-manager-server/src/main/resources/application.yaml

+spring:
+  security:
+    oauth2:
+      client:
+        registration:
+          other:
+        provider:
+          other:
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