[improve][doc] Add a note of enabled package management on admin-api-packages page (#15521)
[improve][doc] Add a note of enabled package management on admin-api-packages page (#15521)


merlimat/pulsar,massakam/pulsar,yahoo/pulsar,merlimat/pulsar,massakam/pulsar,yahoo/pulsar,massakam/pulsar,massakam/pulsar,merlimat/pulsar,merlimat/pulsar,massakam/pulsar,merlimat/pulsar,massakam/pulsar,yahoo/pulsar,yahoo/pulsar,yahoo/pulsar,merlimat/pulsar,yahoo/pulsar