Link user id to song queue (#159)

* Added initial code for endpoint to link user id with song queue #156

* Updated songQueue to have a user_id field #156

* Added function to link user_id with songQueue record #156

* Added useful constant #156

* Finished adding code #156

Need to make the endpoint available and then write a test. Might have to modify existing tests

* Made link user id endpoint available #156

* Added TODOs for later

* Changing location of test code

* Code formatting

* Added test #156

* Formatted code

* Added user_id to SongQueue and added more related code

* Code formatting

* Fixing possible nil user_id field in SongQueue when calling a function

* Fixed another issue

* Made changes to function to also return user_id

* Making use of user_id in test requests

* Code formatting

* Updated workflow

* Forgot to include port

* Docker changes for port change

* Reverting port changes

* Cleaning up Dockerfile

* Version bump

migrations/20250420185217_init_migration.sql

@@ -6,7 +6,8 @@ CREATE TABLE IF NOT EXISTS "songQueue" (
     id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
     filename TEXT NOT NULL,
     status TEXT CHECK (status IN ('pending', 'ready', 'processing', 'done')),
-    data BYTEA NULL
+    data BYTEA NULL,
+    user_id UUID NULL
 );
 
 -- Table to store queued metadata