Check for the prefrences and see if they are compatible

https://github.com/adamkali/Tavern-Backend/blob/40addcbb17c9f3ec0b39e10e2862b5a24d7f3c56/controllers/UserController.go#L127

There needs to be a way to check if the relationship is compatable by using the prefrences. The other part f this will to be to make a new struct: `type Experience struct {...}` where the user could pick whether or not they prefer to play with someone more expereiced and want to learn, or filter out novices below a certain, or not tocare at all and just want everyone. This will be a data type in the Database, where it can hold data like:

Experience | id | exp | will_teach (int)
--- | --- | --- | ---
1 | 0000... | Veteran | 0
2 | 1111... | Master | 1
3 | 2222... | Godlike | -1

0 meaning 'I do not care I want to play with everyone', 1 'Yeah I want to teach people how to play', and -1 meaning 'I just want to get in and have super fun highjinks at a high level!'

Start at controllers/UserController.go around line 127 and review how preferences are currently handled. Define the requested Experience data type and compatibility behavior for teaching, filtering novices, or ignoring experience, then verify that the preference data is stored in the database and used during matching.

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