Add deprecation warning to README

Final commit for 1.0.0 and before MDHelper is archived

Slightly reduce memory usage of IntermediateScatteringFunction

MAJOR: Replaced FFT correlation with window shift in IntermediateScatteringFunction

Minor documentation changes

MAJOR: Add refactored IntermediateScatteringFunction class

MAJOR: Refactored StructureFactor analysis class to use Numba-accelerated functions

Preparation for StructureFactor class refactor

Add experimental Numba-accelerated structure factor implementation

Update requirements.txt and environment.yml files

Fix block logic in analysis.transport.Onsager class

Update ci.yml

Update ci.yml

Update requirements.txt and environment.yml files

Merge pull request #6 from bbye98/transport_fix