bash shell script to adjust temps-setting for any temperature-tower

## Main-Purpose: this thing is a script to be applied to your favourite temp-tower
**The script will add the desired temp-changes according to your wishes via options.**


There are many good temperature-towers available.
The one I am providing here is just an example - the thingiverse wants a STL-file, so I am giving it.

The benefit of the script is, that you can apply it to any temp-tower of your choice.
Slide your favourite temp-tower to generate the gcode for your printer.
The script will then modify your gcode-file to apply the temprange you wanted.


Script runs nicely under WIN10 with e.g. ubuntu installed as app or ofcourse in any linux-distribution.

The usage is quite simple:
- use your preferred temp-tower and use a slicer of your choice. slice it.
- make downloaded script executable via chmod +x ./insert_temp_changes.sh
- launch the script, at minimum provide your sliced gcode-file as input via -i option. this will then use the defaults, which is:
- star