🚀 Feature: Self-relations for database

### 🔖 Feature description I see that at this time we can't create a self-relation between one collection ### 🎤 Pitch Collection `products: { $id: .... products: [$id] }` Example https://www.prisma.io/docs/orm/prisma-schema/data-model/relations/self-relations ### 👀 Have you spent some time to check if this issue has been raised before? - [X] I checked and didn't find similar issue ### 🏢 Have you read the Code of Conduct? - [X] I have read the [Code of Conduct](https://github.com/appwrite/.github/blob/main/CODE_OF_CONDUCT.md)