Refactor routes for consistency, update season codes, and add Justfile for Docker commands

Justfile

@@ -0,0 +1,24 @@
+up:
+    docker compose up -d
+
+down *args:
+    docker compose down {{ args }} --remove-orphans
+
+stop:
+    docker compose stop
+
+exec *args:
+    docker compose exec php {{ args }}
+
+[no-exit-message]
+shell:
+    @docker compose exec php bash
+
+migrate: up
+    docker compose run --rm php bin/console doctrine:migrations:migrate --no-interaction
+
+fixtures:
+    docker compose exec php bin/console doctrine:fixtures:load --purge-with-truncate --no-interaction
+
+translations:
+    docker compose exec php bin/console translation:extract --domain=messages --force --format=yaml --sort=asc --clean nl