feat(user): adds registration form template

app/utils/form_errors_dict.py

@@ -0,0 +1,7 @@
+FORM_ERRORS = {
+  'REQUIRED': "This field is required.",
+  'PASSWORD_LENGTH': 'It must be at least 6 characters long.',
+  'VALID_EMAIL': 'Enter a valid email address.',
+  'PHONE_NUMBER_FORMAT': 'It can be prefixed with the "+" sign and may only contain numbers after it.',
+  'NAME_FORMAT': 'It must be at least 2 characters long, it may only contain letters.'
+}