fix: Rename compose.yml to compose.yaml for Komodo compatibility

Komodo Resource Sync expects compose.yaml (not .yml)
All 22 stack compose files renamed for consistency

stacks/wireguard/compose.yml

@@ -1,26 +0,0 @@
-services:
-  wireguard:
-    image: linuxserver/wireguard:latest
-    container_name: wireguard
-    restart: unless-stopped
-    cap_add:
-      - NET_ADMIN
-      - SYS_MODULE
-    volumes:
-      - wireguard_config:/config
-      - /lib/modules:/lib/modules
-    environment:
-      - PUID=1000
-      - PGID=1000
-      - TZ=UTC
-    networks:
-      - wireguard-network
-    sysctls:
-      - net.ipv4.conf.all.src_valid_mark=1
-
-volumes:
-  wireguard_config:
-
-networks:
-  wireguard-network:
-    driver: bridge