Provide a Maven plugin to install Extensions in a running XWiki instance

      <plugin>
        <groupId>org.xwiki.platform</groupId>
        <artifactId>xwiki-platform-tool-provision-plugin</artifactId>
        <version>${project.version}</version>
        <configuration>
          <username>Admin</username>
          <password>admin</password>
          <extensionIds>
            <extensionId>
              <id>org.xwiki.contrib.markdown:syntax-markdown-markdown12</id>
              <version>8.5.1</version>
            </extensionId>
          </extensionIds>
        </configuration>
        <executions>
          <execution>
            <id>install</id>
            <goals>
              <goal>install</goal>
            </goals>
          </execution>
        </executions>
      </plugin>