feat: update pom.xml for releasing

[jgribonvald]

This permit to set the group packaging.

The remaining part that should be done into the project side is:

• creating an individual account on OSS Sonatype, for that Follow the offical doc
• configure the pom.xml with this content (See here for official doc):

  <scm>
      <connection>scm:git:ssh://git@github.com/karutaproject/karuta-frontend.git</connection>
      <developerConnection>scm:git:ssh://git@github.com/karutaproject/karuta-frontend.git</developerConnection>
      <url>https://github.com/karutaproject/karuta-frontend.git</url>
      <tag>HEAD</tag>
  </scm>
  <distributionManagement>
    <snapshotRepository>
      <id>ossrh</id>
      <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
    </snapshotRepository>
    <repository>
      <id>ossrh</id>
      <url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/</url>
    </repository>
  </distributionManagement>

• configure your ~/.m2/settings.xml (or on your maven path) with your jira account to be able to authenticate when publishing a new release