Add configuration generator and fix splitter

config_maker/anomalies/__init__.py

config_maker/anomalies/base.py

config_maker/anomalies/corr.py

config_maker/anomalies/noise.py

config_maker/anomalies/varying_frequency.py

config_maker/config_maker.py

config_maker/dimensions/__init__.py

config_maker/dimensions/base.py

config_maker/dimensions/correlation.py

config_maker/dimensions/exp_correlation.py

config_maker/dimensions/oscillating.py

config_maker/dimensions/varying_frequency.py

config_maker/generator.py

config_maker/sample_config.json

generator/dimension/exp_correlation.py

split/base.py