Refactor ACME support to certificate provider

docs/configuration/shared/dns01_challenge.md

@@ -2,6 +2,14 @@
 icon: material/new-box
 ---
 
+!!! quote "Changes in sing-box 1.14.0"
+
+    :material-plus: [ttl](#ttl)  
+    :material-plus: [propagation_delay](#propagation_delay)  
+    :material-plus: [propagation_timeout](#propagation_timeout)  
+    :material-plus: [resolvers](#resolvers)  
+    :material-plus: [override_domain](#override_domain)
+
 !!! quote "Changes in sing-box 1.13.0"
 
     :material-plus: [alidns.security_token](#security_token)  
@@ -12,12 +20,57 @@ icon: material/new-box
 
 ```json
 {
+  "ttl": "",
+  "propagation_delay": "",
+  "propagation_timeout": "",
+  "resolvers": [],
+  "override_domain": "",
   "provider": "",
 
   ... // Provider Fields
 }
 ```
 
+### Fields
+
+#### ttl
+
+!!! question "Since sing-box 1.14.0"
+
+The TTL of the temporary TXT record used for the DNS challenge.
+
+#### propagation_delay
+
+!!! question "Since sing-box 1.14.0"
+
+How long to wait after creating the challenge record before starting propagation checks.
+
+#### propagation_timeout
+
+!!! question "Since sing-box 1.14.0"
+
+The maximum time to wait for the challenge record to propagate.
+
+Set to `-1` to disable propagation checks.
+
+#### resolvers
+
+!!! question "Since sing-box 1.14.0"
+
+Preferred DNS resolvers to use for DNS propagation checks.
+
+#### override_domain
+
+!!! question "Since sing-box 1.14.0"
+
+Override the domain name used for the DNS challenge record.
+
+Useful when `_acme-challenge` is delegated to a different zone.
+
+#### provider
+
+The DNS provider. See below for provider-specific fields.
+
 ### Provider Fields
 
 #### Alibaba Cloud DNS