Introduce config.yaml

create invoice.py

@@ -9,13 +9,16 @@ import gspread
 import csv
 import locale
 import datetime
+import yaml
 
+with open("config.yaml", encoding='utf8') as f:
+    cfg = yaml.load(f, Loader=yaml.FullLoader)
 
 locale.setlocale(locale.LC_ALL, 'de_DE')
 
 gc = gspread.service_account()
 sh = gc.open('Zeiterfassung alle Projekte')
-worksheet = sh.worksheet('Dezember 2023')
+worksheet = sh.worksheet(cfg['worksheet_name'])
 
 invoice_nr = 'R000543'