✨ feat: Add novelai-python package and initial implementation

- Added novelai-python package to the repository
- Implemented the initial version of the `NaiResult` and `NovelAiInference` classes
- Added error handling classes `ServerError`, `ValidationError`, and `AuthError`
- Implemented `NaiPic` class for image processing and encoding/decoding
- Added test cases in the `tests` directory for the implemented classes
- Created GitHub workflows for publishing to PyPI and running tests

# Raw Changes
- Added `novelai-python` package and initial implementation
- Created `NaiResult` and `NovelAiInference` classes
- Added error handling classes `ServerError`, `ValidationError`, and `AuthError`
- Implemented `NaiPic` class for image processing and encoding/decoding
- Added test cases in the `tests` directory
- Created GitHub workflows for publishing to PyPI and running tests

tests/test_server.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# @Time    : 2024/1/22 下午11:50
+# @Author  : sudoskys
+# @File    : test_server.py
+# @Software: PyCharm
+from pydantic import SecretStr
+
+from novelai_gen import NovelAiInference, CurlSession, CheckError
+
+
+def test_nai():
+    try:
+        _nai = NovelAiInference.build(prompt="", steps=29)
+        _nai.charge = False
+        print(_nai.charge)
+        _nai.validate_charge()
+        _nai.generate(session=CurlSession(jwt_token=SecretStr("555")))
+    except Exception as e:
+        print(e)
+        assert isinstance(e, CheckError)
+    else:
+        assert False