feat: added documentation

README.md

@@ -1,3 +1,22 @@
 # Json-Unescape
 
 Unescape json string, which is escaped for json. This is usually necessarry for webscraping.
+
+## Installation
+
+```bash
+pip install json-unescape
+```
+
+## Usage
+
+```python
+>>> from json_unescape import escape_json, unescape_json
+
+>>> escape_json('{"foo": "bar,,,eee"}')
+'{"key": "{\\"foo\\": \\"bar,,,eee\\"}"}'
+
+>>> unescape_json(escape_json('{"key": "{\\"foo\\": \\"bar,,,eee\\"}"}'))
+'{"foo": "bar,,,eee"}'
+```
+