added conda installation instructions and badge

Author: sarthakpati

README.md

@@ -7,6 +7,7 @@
 # LangExtract
 
 [![PyPI version](https://img.shields.io/pypi/v/langextract.svg)](https://pypi.org/project/langextract/)
+[![Conda version](https://img.shields.io/conda/v/conda-forge/langextract?color=green)](https://anaconda.org/conda-forge/langextract)
 [![GitHub stars](https://img.shields.io/github/stars/google/langextract.svg?style=social&label=Star)](https://github.com/google/langextract)
 ![Tests](https://github.com/google/langextract/actions/workflows/ci.yaml/badge.svg)
 
@@ -158,6 +159,12 @@ This approach can extract hundreds of entities from full novels while maintainin
 pip install langextract
 ```
 
+### From Conda
+
+```bash
+conda install conda-forge::langextract
+```
+
 *Recommended for most users. For isolated environments, consider using a virtual environment:*
 
 ```bash