fix(doc) caddy cors

_compose/caddy/conf/Caddyfile

@@ -1,4 +1,5 @@
 :8300, localhost {
+
   root * /data/dist
   # Vue Router history模式，避免刷新后404页面；字符中间不可有空格
   try_files {path} /index.html
@@ -9,4 +10,14 @@
         reverse_proxy ruoyi-admin:8080
     }
   file_server
+  encode zstd gzip
+  # CORS
+  import CORS
+}
+
+(CORS) {
+	header replace Access-Control-Allow-Origin "*"
+	header replace Access-Control-Allow-Headers "*"
+	header replace Access-Control-Allow-Methods "*"
+	header replace Access-Control-Request-Method "POST, GET, OPTIONS"
 }