[Issue 3884] [pulsar-io] Add a Pulsar IO connector for Solr sink (#3885)

* Add a Pulsar IO connector for Solr sink.

* Remove empty lines and add a test scope in pom

* Add license header in pom
11 files changed
tree: 3e08521370d296e04901be9f79d783d8cd415dff
  1. pulsar-io/