Add Nodes

Number of APIs: 5

1. Check Cluster Node1 POST http://{{NODE1_HOST}}:{{SERVER_HDB_PORT}}

2. Check other cluster after adding node POST http://{{NODE2_HOST}}:{{SERVER_HDB_PORT}}

3. Check Cluster Node3 POST http://{{NODE3_HOST}}:{{SERVER_HDB_PORT}}

4. Check Cluster Node4 POST http://{{NODE4_HOST}}:{{SERVER_HDB_PORT}}

5. Check Cluster Node5 POST http://{{NODE5_HOST}}:{{SERVER_HDB_PORT}}