Update

README.md

@@ -1,4 +1,4 @@
-# qieyun-encoder-python
+# Qieyun Encoder Python
 
 A Python library for the operating the basic structure of the Qieyun phonological system
 
@@ -7,3 +7,12 @@ A Python library for the operating the basic structure of the Qieyun phonologica
 ```sh
 $ pip install qieyun-encoder
 ```
+
+## Usage
+
+```python
+import QieyunEncoder as QE
+print(QE.音韻地位.from描述('幫三凡入').攝)  # output: 咸
+```
+
+For detailed usage, see [documentation](https://qieyun-encoder-python.readthedocs.io).