Add translation for library/json (#555)

* Add translation for library/json

* Fix using single backslash to escape space

Author: mindihx

library/json.po

@@ -37,6 +37,12 @@ msgid ""
 "wikipedia.org/wiki/JavaScript>`_ object literal syntax (although it is not a "
 "strict subset of JavaScript [#rfc-errata]_ )."
 msgstr ""
+"`JSON (JavaScript Object Notation) <https://json.org>`_ 是一個輕量化的資料交"
+"換格式，在 :rfc:`7159`\\ （其廢棄了 :rfc:`4627`\\ ）及 `ECMA-404 <https://"
+"www.ecma-international.org/publications-and-standards/standards/ecma-404/>`_ "
+"裡面有詳細說明，它啟發自 `JavaScript <https://en.wikipedia.org/wiki/"
+"JavaScript>`_ 的物件字面語法 (object literal syntax)（雖然它並不是 "
+"JavaScript 的嚴格子集 [#rfc-errata]_\\ ）。"
 
 #: ../../library/json.rst:22
 msgid ""