[Implement #4] Add argument in cli to print version

src/resetTolkien/cli.py

@@ -5,6 +5,7 @@
 import datetime
 
 from resetTolkien.resetTolkien import ResetTolkien
+from resetTolkien import version
 from resetTolkien.format import Formatter
 from resetTolkien.utils import SplitArgs, SERVER_DATE_FORMAT, server_date_example
 from resetTolkien.constants import (
@@ -88,6 +89,10 @@
 main_parser = argparse.ArgumentParser(description=PROG_DESCRIPTION)
 action_subparser = main_parser.add_subparsers(title="action", dest="action")
 
+main_parser.add_argument(
+    "-v", "--version", help="Print tool version", action="store_true"
+)
+
 # DETECT
 
 detect_parser = action_subparser.add_parser(
@@ -254,6 +259,10 @@
 def main():
     args = main_parser.parse_args()
 
+    if args.version:
+        print(version)
+        exit()
+
     if not args.action:
         main_parser.print_help()
         exit()