Release 1.3.0: Hysteria2 BBR/Salamander/masquerade options and subscription URL import.

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

configs/config.example.json

@@ -2,6 +2,7 @@
   "active": "naive-main",
   "system_proxy": true,
   "bin_dir": "bin",
+  "subscription_url": "",
   "profiles": [
     {
       "name": "naive-main",
@@ -11,6 +12,20 @@
         "socks://127.0.0.1:1080",
         "http://127.0.0.1:1081"
       ]
+    },
+    {
+      "name": "hy2-example",
+      "protocol": "hysteria2",
+      "proxy": "",
+      "hy2_congestion": "bbr",
+      "hy2_bbr_profile": "standard",
+      "hy2_obfs": "salamander",
+      "hy2_obfs_password": "",
+      "hy2_sni": "",
+      "listen": [
+        "socks://127.0.0.1:1080",
+        "http://127.0.0.1:1081"
+      ]
     }
   ]
 }