dockerized newsite mariadb setup

backend/README.md

@@ -8,6 +8,7 @@
 
 
 ## pip:
+mariadb may take extra work: gcc, libmariadb-dev 
 ```
 pip install flask
 pip install python-dotenv
@@ -17,6 +18,7 @@ pip install flask-migrate
 pip install flask-login
 pip install email-validator
 pip install pydenticon
+pip install mariadb
 ...
 pip freeze > requirements.txt
 ```