adds installation

Author: bharathgs

README.md

@@ -1,9 +1,19 @@
 # ocrpy
 [![Downloads](https://static.pepy.tech/personalized-badge/ocrpy?period=total&units=abbreviation&left_color=black&right_color=blue&left_text=Downloads)](https://pepy.tech/project/ocrpy)
+![contributors](https://img.shields.io/github/contributors/maxent-ai/ocrpy?color=blue)
+![PyPi](https://img.shields.io/pypi/v/ocrpy?color=blue)
+![tag](https://img.shields.io/github/v/tag/maxent-ai/ocrpy)
+![mit-license](https://img.shields.io/github/license/maxent-ai/ocrpy?color=blue)
 
 Unified interface to google vision, aws textract, azure and tesseract OCR tools.
 
 
+## Installation
+
+```python
+pip install ocrpy
+```
+
 ### Sample Usage
 
 ```python