Insert data

Number of APIs: 2

1. insertMany documents with $vectorize POST {{ASTRA_DB_API_ENDPOINT}}/api/json/v1/{{ASTRA_DB_KEYSPACE}}/{{ASTRA_DB_VECTORIZE_COLLECTION}}

2. insertMany documents with $vector POST {{ASTRA_DB_API_ENDPOINT}}/api/json/v1/{{ASTRA_DB_KEYSPACE}}/{{ASTRA_DB_COLLECTION}}