Add optimistic DNS cache

docs/configuration/experimental/cache-file.md

@@ -1,5 +1,10 @@
 !!! question "Since sing-box 1.8.0"
 
+!!! quote "Changes in sing-box 1.14.0"
+
+    :material-delete-clock: [store_rdrc](#store_rdrc)  
+    :material-plus: [store_dns](#store_dns)
+
 !!! quote "Changes in sing-box 1.9.0"
 
     :material-plus: [store_rdrc](#store_rdrc)  
@@ -14,7 +19,8 @@
   "cache_id": "",
   "store_fakeip": false,
   "store_rdrc": false,
-  "rdrc_timeout": ""
+  "rdrc_timeout": "",
+  "store_dns": false
 }
 ```
 
@@ -42,6 +48,10 @@ Store fakeip in the cache file
 
 #### store_rdrc
 
+!!! failure "Deprecated in sing-box 1.14.0"
+
+    `store_rdrc` is deprecated and will be removed in sing-box 1.16.0, check [Migration](/migration/#migrate-store-rdrc).
+
 Store rejected DNS response cache in the cache file
 
 The check results of [Legacy Address Filter Fields](/configuration/dns/rule/#legacy-address-filter-fields)
@@ -52,3 +62,9 @@ will be cached until expiration.
 Timeout of rejected DNS response cache.
 
 `7d` is used by default.
+
+#### store_dns
+
+!!! question "Since sing-box 1.14.0"
+
+Store DNS cache in the cache file.

docs/configuration/experimental/cache-file.zh.md

@@ -1,5 +1,10 @@
 !!! question "自 sing-box 1.8.0 起"
 
+!!! quote "sing-box 1.14.0 中的更改"
+
+    :material-delete-clock: [store_rdrc](#store_rdrc)  
+    :material-plus: [store_dns](#store_dns)
+
 !!! quote "sing-box 1.9.0 中的更改"
 
     :material-plus: [store_rdrc](#store_rdrc)  
@@ -14,7 +19,8 @@
   "cache_id": "",
   "store_fakeip": false,
   "store_rdrc": false,
-  "rdrc_timeout": ""
+  "rdrc_timeout": "",
+  "store_dns": false
 }
 ```
 
@@ -40,6 +46,10 @@
 
 #### store_rdrc
 
+!!! failure "已在 sing-box 1.14.0 废弃"
+
+    `store_rdrc` 已在 sing-box 1.14.0 废弃，且将在 sing-box 1.16.0 中被移除，参阅[迁移指南](/zh/migration/#迁移-store_rdrc)。
+
 将拒绝的 DNS 响应缓存存储在缓存文件中。
 
 [旧版地址筛选字段](/zh/configuration/dns/rule/#旧版地址筛选字段) 的检查结果将被缓存至过期。
@@ -49,3 +59,9 @@
 拒绝的 DNS 响应缓存超时。
 
 默认使用 `7d`。
+
+#### store_dns
+
+!!! question "自 sing-box 1.14.0 起"
+
+将 DNS 缓存存储在缓存文件中。