Wipe data from coverart queue (#136)

* Changes to coverartQueue migrations

* Added endpoint to wipe data from coverart queue

* Added constant for endpoint

* Endpoint is now available

* Added test

Need to complete

* Test is working

* Code formatting

* Removed TODO

migrations/20250420185217_init_migration.sql

@@ -20,7 +20,7 @@ CREATE TABLE IF NOT EXISTS "metadataQueue" (
 -- Table to store queued coverart
 CREATE TABLE IF NOT EXISTS "coverartQueue" (
     id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    data BYTEA NOT NULL,
+    data BYTEA NULL,
     song_queue_id UUID NULL
 );