feat: add signup form

kursy/forms.py

@@ -0,0 +1,13 @@
+from django import forms
+
+
+class SignUpForm(forms.Form):
+    first_name = forms.CharField(max_length=60, required=True, label="First Name")
+    last_name = forms.CharField(max_length=60, required=True, label="Last Name")
+
+    def signup(self, request, user):
+        user.first_name = self.cleaned_data["first_name"]
+        user.last_name = self.cleaned_data["last_name"]
+        user.save()
+
+        return user