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/promtail/compose.yaml

@@ -0,0 +1,19 @@
+services:
+  promtail:
+    image: grafana/promtail:latest
+    container_name: promtail
+    restart: unless-stopped
+    volumes:
+      - /var/log:/var/log:ro
+      - /var/lib/docker/containers:/var/lib/docker/containers:ro
+      - promtail_data:/tmp
+    command: -config.file=/etc/promtail/config.yml
+    networks:
+      - monitoring
+
+volumes:
+  promtail_data:
+
+networks:
+  monitoring:
+    driver: bridge