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/obsidian-livesync/compose.yaml

@@ -0,0 +1,27 @@
+services:
+  obsidian-livesync:
+    image: oleduc/docker-obsidian-livesync-couchdb:latest
+    container_name: obsidian-livesync
+    restart: unless-stopped
+    ports:
+      - "127.0.0.1:5984:5984"
+    volumes:
+      - obsidian_data:/opt/couchdb/data
+    environment:
+      - COUCHDB_USER=${OBSIDIAN_USER:-obsidian}
+      - COUCHDB_PASSWORD=${SECRET:obsidian-password}
+    networks:
+      - obsidian-network
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:5984/_up"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 15s
+
+volumes:
+  obsidian_data:
+
+networks:
+  obsidian-network:
+    driver: bridge