fix: add init target to pre-create output dirs before docker

Docker creates host-side bind-mount directories as root:root.
Pre-creating them with make init (or mise run init) ensures
they exist with the user's ownership before docker compose
touches them. docker-up now depends on init.

Makefile

@@ -1,6 +1,5 @@
 BIN := fetch
 IMAGE := akai-fetch
-REMOTE := dhg.lol
 ELECTRON_DIR := electron
 
 build:
@@ -17,7 +16,10 @@ docker:
 docker-run:
 	docker run --rm -v "$(PWD)/output:/data" $(IMAGE) $(ARGS)
 
-docker-up:
+init:
+	mkdir -p output/isos output/wavs
+
+docker-up: init
 	docker compose up --build
 
 docker-down: