refactor: read samples from table

Refactor workflow files to use a sample table as input.
Modify config.yaml to contain samples table pathway.
Add samples table file.
Add new directory config.
Fixes #26 (closed)

RUNS/JOB/input_files/samples_table.csv

+sample	sample_file	adapter	format
+sample_lib	path/to/sample_library_file	XXXXXXXXXXXXXXXXXX	library_format