Add user creation and update functionality; refactor user template and helpers

models/users.py

@@ -1,4 +1,4 @@
-from typing import List, Optional, TYPE_CHECKING
+from typing import Any, List, Optional, TYPE_CHECKING
 if TYPE_CHECKING:
     from .inventory import Inventory  
     from .rooms import Room
@@ -55,3 +55,14 @@ class User(db.Model):
             'staff': self.staff,
             'active': self.active
         }
+
+    @classmethod
+    def from_dict(cls, data: dict[str, Any]) -> "User":
+         return cls(
+              staff=bool(data.get("staff", False)),
+              active=bool(data.get("active", False)),
+              last_name=data.get("last_name"),
+              first_name=data.get("first_name"),
+              location_id=data.get("location_id"),
+              supervisor_id=data.get("supervisor_id")
+         )