Add properties for global-vars

pom.xml

@@ -15,6 +15,12 @@
         <developerConnection>scm:git:gitea@code-repo.d4science.org:MaDgIK/login-service.git</developerConnection>
         <tag>HEAD</tag>
     </scm>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <timestamp>${maven.build.timestamp}</timestamp>
+        <maven.build.timestamp.format>E MMM dd HH:mm:ss z yyyy</maven.build.timestamp.format>
+    </properties>
     <dependencies>
         <dependency>
             <groupId>eu.dnetlib</groupId>

src/main/resources/login-service.properties

@@ -2,3 +2,6 @@
 api.title = Login Service
 api.description = Login service provides methods to authenticate users through AAI provider and retrieve information of authenticated user.
 api.version = ${project.version}
+
+login-service.global-vars.buildDate=@timestamp@
+login-service.global-vars.version=@project.version@