core: accounts: use django form

django/trancendence/accounts/forms/login.py

@@ -0,0 +1,6 @@
+from django import forms
+from ..settings import *
+
+class LoginForm(forms.Form):
+    username = forms.CharField(label="username", max_length=USERNAME_MAX_SIZE, min_length=USERNAME_MIN_SIZE, required=True)
+    password = forms.CharField(label="password", max_length=PASSWORD_MAX_SIZE, min_length=PASSWORD_MIN_SIZE, required=True)