feat: server-side password security checks

config.py

@@ -21,14 +21,20 @@ class Settings(BaseSettings):
     pally_shop_id: str = Field()
     pally_token: str = Field()
 
+    ### Remnawave ###
     remnawave_base_url: str = Field()
     remnawave_sub_url: str = Field()
     remnawave_token: str = Field()
     remnawave_default_squads_raw: str = Field(alias="REMNAWAVE_DEFAULT_SQUADS_UUIDS")
 
+    ###
     minimal_deposit: int = Field()
     referal_bonus: int = Field(30)
 
+    ### Security related ###
+    min_password_length: int = Field(8)
+    password_security_threshold: int = Field(2)
+
     @computed_field
     @property
     def remnawave_default_squads(self) -> list[str]: