Added a commandline to csv2db

.gitignore

 .idea/
+csvtools/__pycache__/

csvtools/cmd.py

+import click
+
+from .csv2db import process_csv
+
+
+@click.group(help="With csvtools you can operate on CSV files")
+def cli():
+    pass
+
+
+@click.command("csv2db")
+@click.argument("csv_fname", type=click.Path(exists=True))
+@click.argument("sqlite_fname", type=click.Path())
+def cmd_csv2db(csv_fname, sqlite_fname):
+    process_csv(csv_fname, sqlite_fname)
+
+
+def main():
+    cli.add_command(cmd_csv2db)
+    cli()
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file