[v1.0.0b] [Task] - Improve indexes on database

[fleshgolem]

What is the problem this task addresses?

This is a bit of a followup to #2076
While that one turned out to not really be an issue with the current beta, I still realized that the indexing on the database is less than ideal, which definitely could lead to performance degradation in larger setups
Some cases I could find rather quickly, that were not indexed at all:

• Recipe.name and created_at, these are pretty surely the fields that are most commonly ordered by
• A lot of foreign keys that do get used for joins, e.g. everything on the recipe_to_* tables or recipe_ingredient.recipe_id

Proposed/Possible Solution(s)?

I'm not super aware of all the inner workings to know which other places they should be added, but i guess it should at least be those two recipe fields and all foreign keys (i dont really see much of a reason to not ever have them there)
I can do the work on that, but i'd rather wait for feedback on #2070 so i dont have to do it twice