add estimated EOL as expiry date, 严禁用于服务器 -> 谨慎用于服务器, fix all disk (close #22)

Author: moesoha

.readme/box_all.jpg

@@ -33,6 +33,7 @@
   - Soha (包装盒与说明书的终稿)
   - YukariChiba (说明书创意与文案, [#3](https://github.com/moesoha/debian-media-box/issues/3))
   - IcesandSora (包装盒创意)
+  - 内容/样式优化：david4958606 (#13), Guochengjie (#15)
 
 ## LICENSE