Adding new endpoint

[egamble01]

Adding requested endpoint for
"/locations/key/{external_key}"
{
"numberAvailable": "2",
"inputType": 2,
"date": "2021-05-28T00:00:00+04:00",
"numberTotal": "10",
"vaccine": 5,
"tagsA": " ",
"organization": 23,
"line1": "test",
"line2": "test2",
"city": "toronto",
"province": "ontario",
"postcode": "m6n2b8",
"name": "test",
"phone": "4165555555",
"notes": " ",
"active": 1,
"url": "http://www.test.com",
"tagsL": " "
}

and
"/locations/id/{location_id}"
{
"numberAvailable": "2",
"inputType": 2,
"date": "2021-05-28T00:00:00+04:00",
"numberTotal": "10",
"vaccine": 5,
"tagsA": " ",
"organization": 23,
"line1": "test",
"line2": "test2",
"city": "toronto",
"province": "ontario",
"postcode": "m6n2b8",
"name": "test",
"phone": "4165555555",
"notes": " ",
"active": 1,
"url": "http://www.test.com",
"tagsL": " ",
"external_key":"test4564536"
}

[egamble01]

Also added the
{{baseUrl}}/api/v1/security/login endpoint which takes in the body:

{
"name": "test",
"password": "test123"
}

and returns
{
"result": 1,
"key": "05f8620d-bd62-4b0d-99f9-c187b27f8a2f"
}

or
{
"result": 0,
"key": "05f8620d-bd62-4b0d-99f9-c187b27f8a2f"
}