~优化providers规则模版

rules/singbox_providers/ShellCrash_RS_Nano.json

@@ -7,11 +7,19 @@
   "route": {
     "rules": [
       { "rule_set": [ "privateip" ], "outbound": "🎯 全球直连" },
+	  { "rule_set": [ "cn" ], "outbound": "🎯 全球直连" },
 
 	  { "action": "resolve", "server": "dns_proxy", "strategy": "prefer_ipv4"},
       { "rule_set": [ "cnip" ], "outbound": "🎯 全球直连" }
     ],
     "rule_set": [
+      {
+        "tag": "cn",
+        "type": "remote",
+        "format": "binary",
+        "path": "./ruleset/cn.srs",
+        "url": "https://testingcf.jsdelivr.net/gh/DustinWin/ruleset_geodata@sing-box-ruleset/cn.srs"
+      },
       {
         "tag": "privateip",
         "type": "remote",