Update README.md

README.md

@@ -20,13 +20,22 @@ https://docs.google.com/spreadsheets/d/1z2WcQP0-amtd0keUgPOohVx4qdjET5cq8mdI5zdB
 
 
 ## 📚 **Library** 
-Here is the library for unit testing: [unittest](https://docs.python.org/3/library/unittest.html)
+Here is the library for flask: [flask](https://flask.palletsprojects.com/en/2.2.x/)
 
-## 📖 **Module** 
+Here is the library for PyMySQL: [PyMySQL](https://pymysql.readthedocs.io/en/latest/)
 
 
 ## 📪 **Installation** 
 
+Use the package manager [pip](https://pip.pypa.io/en/stable/installation/) to install Flask-MySQL and PyMySQL.
+
+```bash
+pip install flask-mysql
+```
+
+```bash
+pip install pymsql
+
 
 ## 🤓 **Maintainers** 
 * Jack Douet (@jqw2-douet)