添加服务配置文件和更新 .gitignore，包含 MinIO、Gitea、HedgeDoc、Homepage、Uptime Kuma 的 Docker Compose 配置

uptime-kuma/compose.yml

@@ -0,0 +1,15 @@
+services:
+  uptime-kuma:
+    image: louislam/uptime-kuma:latest
+    container_name: uptime-kuma
+    restart: unless-stopped
+    volumes:
+      - ./data:/app/data
+    ports:
+      - "3002:3001"
+    networks:
+      - homelab_net
+
+networks:
+  homelab_net:
+    external: true