further prototyping, added first DB interactions

src/wce_crm/env.py

@@ -0,0 +1,15 @@
+import os
+from pathlib import Path
+
+PROJECT_ROOT = Path(__file__).parents[2]
+DB_PATH = PROJECT_ROOT / "data/db"
+
+DB_KONTAKTLISTE = DB_PATH / "wce_kontaktliste.db"
+assert DB_KONTAKTLISTE.exists()
+DB_CRM = DB_PATH / "wce_crm.db"
+assert DB_CRM.exists()
+
+
+def setup():
+    os.environ["DOPT_DB_KONTAKTLISTE"] = str(DB_KONTAKTLISTE)
+    os.environ["DOPT_DB_CRM"] = str(DB_CRM)