class AdichtReader for ADInstruments .adicht format added

[TE-2]

Adding AdichtReader class as an additional data reader for EMG data from ADInstruments in .adicht format (Labchart).
The class has only been tested on a limited set of data and could therefore cause errors with unexpected settings or formats of an .adicht file. Fell free to test modify or add functions.

The following libraries have been used in the corresponding version. These dependencies have not yet been included in setup.py:

adi-reader==0.0.13  # https://github.com/JimHokanson/adinstruments_sdk_python
numpy==2.1.2
pandas==2.2.3
prettytable==3.12.0