documentation: Refactor DNS

docs/configuration/dns/server/index.md

@@ -0,0 +1,46 @@
+---
+icon: material/alert-decagram
+---
+
+!!! quote "Changes in sing-box 1.12.0"
+
+    :material-plus: [type](#type)
+
+# DNS Server
+
+### Structure
+
+```json
+{
+  "dns": {
+    "servers": [
+      {
+        "type": "",
+        "tag": ""
+      }
+    ]
+  }
+}
+```
+
+#### type
+
+The type of the DNS server.
+
+| Type            | Format                                              |
+|-----------------|-----------------------------------------------------|
+| empty (default) | [Legacy](/configuration/dns/server/legacy/)         |
+| `tcp`           | [TCP](/configuration/dns/server/tcp/)               |
+| `udp`           | [UDP](/configuration/dns/server/udp/)               |
+| `tls`           | [TLS](/configuration/dns/server/tls/)               |
+| `https`         | [HTTPS](/configuration/dns/server/https/)           |
+| `quic`          | [QUIC](/configuration/dns/server/quic/)             |
+| `h3`            | [HTTP/3](/configuration/dns/server/http3/)          |
+| `predefined`    | [Predefined](/configuration/dns/server/predefined/) |
+| `dhcp`          | [DHCP](/configuration/dns/server/dhcp/)             |
+| `fakeip`        | [Fake IP](/configuration/dns/server/fakeip/)        |
+
+
+#### tag
+
+The tag of the DNS server.