text: Title: Improvement in Documentation
  Body: Hey, first of all thanks for building this library. We are creating projects on strawberry django since day1.
  
  Just pointing this out, in the documentation `strawberry.django` and `strawberry_django` are being used as interchangeable terms. Eg in [Mutations](https://strawberry-graphql.github.io/strawberry-graphql-django/guide/mutations/).
  
  I'm not sure, what the difference is between those two, it would be good if we can use either one of them or if they work differently then we can have a section which mentions the difference between them.
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