Add new admin panel, failover, dns fallback, providers, limiters. Update XHTTP

examples/admin_panel-manager-node/node.json

@@ -0,0 +1,97 @@
+{
+  "log": {
+    "level": "debug"
+  },
+  "dns": {
+    "servers": [
+      {
+        "type": "local",
+        "tag": "default"
+      }
+    ]
+  },
+  "inbounds": [
+    {
+      "type": "vless",
+      "tag": "vless-in",
+      "listen": "0.0.0.0",
+      "listen_port": 443,
+      "transport": {
+        "type": "http"
+      }
+    }
+  ],
+  "outbounds": [
+    {
+      "type": "direct",
+      "tag": "direct-out"
+    },
+    {
+      "type": "bandwidth-limiter",
+      "tag": "bandwidth-limiter",
+      "strategy": "manager",
+      "route": {
+        "final": "direct-out"
+      }
+    },
+     {
+      "type": "rate-limiter",
+      "tag": "rate-limiter",
+      "strategy": "manager",
+      "route": {
+        "final": "bandwidth-limiter"
+      }
+    },
+    {
+      "type": "connection-limiter",
+      "tag": "connection-limiter",
+      "strategy": "manager",
+      "route": {
+        "final": "rate-limiter"
+      }
+    },
+    {
+      "type": "traffic-limiter",
+      "tag": "traffic-limiter",
+      "strategy": "manager",
+      "route": {
+        "final": "connection-limiter"
+      }
+    },
+  ],
+  "route": {
+    "rules": [
+      {
+        "protocol": "dns",
+        "action": "hijack-dns"
+      }
+    ],
+    "final": "connection-limiter"
+  },
+  "services": [
+    {
+      "type": "node",
+      "tag": "my-node",
+      "uuid": "e6eceb84-ad66-474b-8641-142499db7c6e",
+      "manager": "node-manager",
+      "inbounds": ["vless-in"],
+      "connection_limiters": ["connection-limiter"],
+      "bandwidth_limiters": ["bandwidth-limiter"],
+      "traffic_limiters": ["traffic-limiter"],
+      "rate_limiters": ["rate-limiter"]
+    },
+    {
+      "type": "node-manager-api",
+      "tag": "node-manager",
+      "api_type": "client",
+      "server": "example.com",
+      "server_port": 7000,
+      "api_key": "change-me-secret",
+      // "tls": { // https://sing-box.sagernet.org/configuration/shared/tls/#outbound
+      //   "enabled": true,
+      //   "server_name": "example.com",
+      //   "alpn": "h2" // h3 for QUIC
+      // }
+    }
+  ]
+}