添加了新的JSON库，包含Cargo.toml、Cargo.lock、library.json和lib.rs文件，提供JSON解析、格式化、对象和数组创建等功能。

Author: HelloAIXIAOJI

library_json/Cargo.lock

@@ -0,0 +1,13 @@
+[package]
+name = "cn_json_lib"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+name = "json"
+crate-type = ["cdylib"]
+
+[dependencies]
+cn_common = { path = "../library_common" }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0" 

library_json/Cargo.toml

@@ -0,0 +1,6 @@
+{
+  "name": "json",
+  "output_name": "json",
+  
+  "_comment": "此配置文件仅用于GitHub工作流，不用于源代码中。实际库的命名空间信息直接从lib.rs中获取。"
+}