Add maven central as repository

pom.xml

@@ -9,6 +9,10 @@
     </parent>
 
     <repositories>
+    <repository>
+        <id>central</id>
+        <url>https://repo1.maven.org/maven2/</url>
+    </repository>
         <repository>
             <id>gitlab-maven</id>
             <url>https://gitlab.nibio.no/api/v4/projects/401/packages/maven</url>