Thin housing for Trust AMST-606

I don't like the original design of the Trust AMST-606 window sensor, in addition it was to "fat".
This is a much thiner and modern design.

Sensor housing:
- The Battery holder (CR2032) is in the cover.
- It is required, to connect the abrasive contacts on the PCB (depends on your settings)
- Close the magnet sensor with the original screw (counterbore necessary).

Magnet housing:
- Remove the magnet from the original housing and insert it into the new magnet holder
- close it with t