3D Touch Mount for KP5L

I got a 3d touch (a bltouch clone) from Kingroon store. Tried to use the 3d model Kingroon provided to mount, but the 3d touch is slightly thicker. I designed this one with some messure:

- screw hole can be 4mm, use m4 with nuts
- the distance of mount hole on KP5 is 19.6mm
- the distance of mount hole on 3d touch is 17.6mm

Offsets I messured after mount

```
x_offset: -30
y_offset: 8
z_offset: 1.199
```