Populating Solr collection

employee.json

[
    {
        "id": "emp-001",
        "name": "Chris Nathan",
        "department": "Dev",
        "designation": "Analyst",
        "experience": 7
    },
    {
        "id": "emp-002",
        "name": "Christina ",
        "department": "Dev",
        "designation": "Programmer",
        "experience": 3
    },
    {
        "id": "emp-003",
        "name": "Naresh",
        "department": "Marketing",
        "designation": "Executive",
        "experience": 2
    }
]