public static String getConfigPath() {
    String amoroConfDir = System.getenv(AMORO_CONF_DIR);
    if (amoroConfDir != null) {
      return amoroConfDir;
    }
    return getHomePath() + "/" + DEFAULT_CONFIG_DIR_NAME;
  }
Get the config path which is a directory contains `config.yaml`, `jvm.properties`, `log4j2.xml`
and so on.

@return The config path
amoro-ams/src/main/java/org/apache/amoro/server/Environments.java