完善中央与边缘部署、远程写入与监控文档

- 增加中央与边缘完整配置和部署脚本
- 引入 VictoriaMetrics 数据源与 remote_write 故障排查说明
- 新增 edge-agent 配置脚本、ONVIF 自建 exporter 与 ping 监控示例

Co-authored-by: Cursor <cursoragent@cursor.com>

edge-agent/blackbox/config.yml

@@ -0,0 +1,33 @@
+modules:
+  icmp:
+    prober: icmp
+    timeout: 5s
+    icmp:
+      preferred_ip_protocol: "ip4"
+  tcp_connect:
+    prober: tcp
+    timeout: 5s
+  http_2xx:
+    prober: http
+    timeout: 5s
+    http:
+      valid_http_versions: ["HTTP/1.1", "HTTP/2.0"]
+      valid_status_codes: [200]
+      method: GET
+  http_post_2xx:
+    prober: http
+    timeout: 5s
+    http:
+      valid_http_versions: ["HTTP/1.1", "HTTP/2.0"]
+      valid_status_codes: [200]
+      method: POST
+      headers:
+        Content-Type: application/json
+      body: '{}'
+  tcp_connect_tls:
+    prober: tcp
+    timeout: 5s
+    tcp:
+      tls: true
+      tls_config:
+        insecure_skip_verify: false