Update script to read admins from configuration file

app/add_admins.py

@@ -2,24 +2,13 @@
 from models import User
 
 from app import db
+from models import User
+from config import Configuration
 
 
 def add() -> None:
     """Add users as admin."""
-    feli = User()
-    feli.configure("feliciaan", True, 0)
-    db.session.add(feli)
-
-    destro = User()
-    destro.configure("destro", True, 0)
-    db.session.add(destro)
-
-    iepoev = User()
-    iepoev.configure("iepoev", True, 1)
-    db.session.add(iepoev)
-
-    flynn = User()
-    flynn.configure("flynn", True, 0)
-    db.session.add(flynn)
-
-    # To future developers, add yourself here
+    for username in Configuration.HALDIS_ADMINS:
+        user = User()
+        user.configure(username, True, 0)
+        db.session.add(user)

app/config.example.py

@@ -8,6 +8,7 @@ class Configuration:
     SQLALCHEMY_DATABASE_URI = "sqlite:///haldis.db"
     SQLALCHEMY_TRACK_MODIFICATIONS = False
     DEBUG = True
+    HALDIS_ADMIN_USERS = []
     SECRET_KEY = "<change>"
     SLACK_WEBHOOK = None
     LOGFILE = "haldis.log"