1. Magnetometer

    Defines a concrete sensor interface to measure magnetic field in the X, Y and Z axis.

  2. magnetometer api

  3. magnetometer api: `magnetometer()` constructor

  4. magnetometer api: x

  5. magnetometer api: y

  6. magnetometer api: z

  7. permissions api: `magnetometer` permission

  8. headers http header: permissions-policy: magnetometer