language.h: update documentation for LANGUAGE_INCLUDE
language.h: URL für K8200 github repository

M111 - Debug Level

- Add `M111` as a standard option to set the debug level
- Implement `DEBUG_ECHO` in `process_commands`
- Other debug levels (e.g., `DEBUG_DRYRUN`) need more work

Rename files to move them in the IDE

Fix BEEPER duration

Add a warning for DISABLE_[XYZ] options

Raise Z for M401 and M402

Use millis_t for progress_bar_ms and expire_status_ms

G4 shows status message only if no message is set already

Apply zprobe_zoffset in axis_is_at_home

Add variant for MAX6675 in M104

- Address issue raised in #1961

Remove set-coordinate extension of G28

Max endstopp

Macro steppercpp

Else will throw error:
@:0 B@:0
Error:No thermistors - no temperature
[ERROR] Error:No thermistors - no temperature

when no bed is defined

delete some tabs

Ensure the probe offset will always be included when homing Z.

Include axis parameter to ultralcd's line_to_current

Fix homing of YZ with DUAL_X_CARRIAGE

Fix for #1946