Data modeling

As you can see [Here](https://github.com/didinewlander/whatTheBUG/tree/main/server/model), we have two model definitions for the project -
1. Code snippets
2. User registration.

Take a look there, what can we do better to make the code handling more stable and with the less space used to store it (is encryption a option?)

Start by reviewing the two model definitions under server/model: code snippets and user registration. Identify the stability, storage-size, and encryption requirements before proposing a scope. Done should mean an agreed data-model design with explicit acceptance criteria; the issue currently does not define a concrete change or tests.

Written by the indexing model from the issue text.