add ci workflow (closes #2)

pom.xml

@@ -3,16 +3,17 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
 	<name>Keycloak mailcow</name>
-	<description />
+	<description>Connect to mailcow database for authentication</description>
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>de.cantorgymnasium</groupId>
 	<artifactId>keycloak-mailcow</artifactId>
-	<version>0.0.2</version>
+	<version>1.0.0</version>
 	<packaging>jar</packaging>
 
 	<properties>
 		<version.keycloak>23.0.1</version.keycloak>
+		<version.springsec>6.2.1</version.springsec>
 	</properties>
 
 	<dependencies>
@@ -54,7 +55,7 @@
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-crypto</artifactId>
-			<version>6.2.1</version>
+			<version>${version.springsec}</version>
 		</dependency>
 	</dependencies>