Exercise Tracker
Create User
username
POST /api/users
List Users
GET /api/users
Add Exercise
User _id
Description
Duration (minutes)
Date (yyyy-mm-dd, optional)
Add → POST /api/users/:_id/exercises
Get Logs
User _id
limit
from (yyyy-mm-dd)
to (yyyy-mm-dd)
GET /api/users/:_id/logs