makefile: add some explanations

Makefile

@@ -5,23 +5,28 @@ reset-psql:
 	docker volume rm homebrewhub_postgres -f
 	docker compose up
 
+# Pull updates from the three database repositories
 update-db:
 	cd db-sources/database-gb && git pull
 	cd db-sources/database-gba && git pull
 	cd db-sources/database-nes && git pull
 
+# Sync the internal postgres database with the game databases
 sync-db:
 	docker exec hh_api python manage.py runscript sync_db
 
+# Re-init the database sources
 init-db:
 	rm -rf db-sources
 	mkdir db-sources
 	git clone https://github.com/gbdev/database.git db-sources/database-gb
 	git clone https://github.com/gbadev-org/games.git db-sources/database-gba
 	git clone https://github.com/nesdev-org/homebrew-db.git db-sources/database-nes
 
+# Spawn a shell in the django container
 shell:
 	docker exec -it hh_api bash
 
+# Pull gbtoolsid so it can be used in the sync-db
 prepare-gbtid:
-	cd scripts && wget https://github.com/bbbbbr/gbtoolsid/releases/download/v1.5.0/gbtoolsid_linux.zip && unzip gbtoolsid_linux.zip
+	cd scripts && wget https://github.com/bbbbbr/gbtoolsid/releases/download/v1.5.0/gbtoolsid_linux.zip && unzip gbtoolsid_linux.zip