arrow

GH-34216: [Python] Support for reading JSON Datasets With Python (#34586)

This PR supports for reading JSON Datasets With Python. As mentioned in [#34216](https://github.com/apache/arrow/issues/34216), only the reading ability are supported.

Please compare the difference between my implemenation of _json.pyx, _json.pyd and _csv.pyx _csv.pyd.
Cause _csv.pyd utilize pointer for cpp class and my implementation doesn't. 

**What changes are included in this PR?**

C++: add inclusion for file_json.h
Python: reference C++ codes and support reading JSON Datasets

**Are these changes tested?**
Yes
6 test samples added in tests/test_dataset.py

* Closes: #34216

Lead-authored-by: Junming Chen <junming.chen.r@outlook.com>
Co-authored-by: Weston Pace <weston.pace@gmail.com>
Signed-off-by: Weston Pace <weston.pace@gmail.com>