add license and readme

LICENSE

@@ -0,0 +1,7 @@
+Copyright 2024, Fish Audio
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -1,9 +1,26 @@
-# opusenc
+# OPUSENC
 
-For any system <= Ubuntu 22.04, you need to install libopusenc-dev manually, run `install_opus.sh`
+## Requirements
+- libopus-dev
+- libopusfile-dev
+- libopusenc-dev
 
-For Ubuntu 24.04, you can install libopusenc-dev via apt:
+### Ubuntu ≤ 22.04
+```bash
+sudo apt install libopus-dev libopusfile-dev
+bash install_opus.sh # install libopusenc-dev
+```
+
+### Ubuntu 24.04
 
 ```bash
 sudo apt install libopus-dev libopusfile-dev libopusenc-dev
 ```
+
+## Installation
+```bash
+pip install git+https://github.com/fishaudio/opusenc.git
+```
+
+## Usage
+Check `tests/test.py` for more details.

setup.py

@@ -33,4 +33,5 @@
     cmdclass={"build_ext": build_ext},
     zip_safe=False,
     python_requires=">=3.7",
+    license="MIT",
 )