Add family member

Endpoint: /family/addFamilyMember
Method: POST
Description: Adds a new member to the family group.
Authorization: Requires authentication token.

Request Body:

{
  "username": "string",
  "phone": "string",
  "email": "string",
  "birthDate": "string",
  "gender": "string",
  "city": "string",
  "role": "string"
}

Responses:

200 OK

{ "message": "Member added to family", "familyID": "string" }

400 Bad Request

{ "message": "Missing required fields" }

401 Unauthorized
```
{ "message": "Unauthorized" }
```
403 Forbidden
```
{ "message": "User not authorized" }
```
500 Internal Server Error
```
{ "message": "Member addition failed" }
```

Example:

curl -X POST http://<your-server-address>/family/addFamilyMember \
-H "Content-Type: application/json" \
-H "Authorization: Bearer <your-auth-token>" \
-d '{"username": "john_doe", "phone": "1234567890", "email": "john@example.com", "birthDate": "2000-01-01", "gender": "male", "city": "New York", "role": "user"}'

Verifyotp Createfamily