title: How to add new data into the solr server
body: <p>I am new to solr.</p>
  
  <p>I have a solr server.
  I want to add some new data in the server.</p>
  
  <p>How to do this?
  I know this is a simple question. I searched on Google and not found any appropriate result.</p>
  
  <p>Please share some good link to learn new data into the solr server and update the existing data.</p>
  
  <p>Thanks in advance. </p>