new file: read_sequencer_package/cli.py

read_sequencer_package/cli.py

+import argparse
+
+parser = argparse.ArgumentParser(prog= 'read_sequencer', description='Simulates Sequenceing of a FASTA file.')
+parser.add_argument('--file_path',
+                    help='path to FASTA file', action='store_const')
+parser.add_argument('--read_length',
+                    help='read length for sequencing', action='store_const')
+
+
+args = parser.parse_args()
+print(args.file_path, args.read_length)