Feature/user photo storage (#877)

* add default assets for user profile

* add recipe avatar

* change user_id to UUID

* add profile image upload

* setup image cache keys

* cleanup tests and add image tests

* purge user data on delete

* new user repository tests

* add user_id validator for int -> UUID conversion

* delete depreciated route

* force set content type

* refactor tests to use temp directory

* validate parent exists before createing

* set user_id to correct type

* update instruction id

* reset primary key on migration

tests/fixtures/fixture_database.py

@@ -0,0 +1,14 @@
+import pytest
+
+from mealie.db.database import Database, get_database
+from mealie.db.db_setup import SessionLocal
+
+
+@pytest.fixture()
+def database() -> Database:
+    try:
+        db = SessionLocal()
+        yield get_database(db)
+
+    finally:
+        db.close()