1. A linked database (use SQLite or some other file database if no database servers are available) with a user table containing the below fields:

a. id b. first_name c. last_name d. age e. gender f. email g. phone h. Birth_date

2. Endpoint /api/users with a mandatory query parameter: first_name.
3. Feature for searching the user table for all users with the beginning of first_name matching the param first_name. For example: "will" will match both "will" and "william". a. If users are found then return the list of matching users in a JSON response. b. Else call the API: https://dummyjson.com/users/search?q=first_name with the first_name parameter, save the resulting users to the user table and return them in the response.