Add files via upload

Author: AdalineL

Procfile

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+web: gunicorn app:server

README.md

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+## How to use
+First install dependencies
+``` pip install -r requirements.txt```
+then run the app with
+```python app.py```
+
+## Debugging tips for running the app
+- update pip with ```pip install --upgrade pip```
+- check if you have pip, python, or the other dependencies installed
+- make sure you are using the correct version of python/pip (try ```pip3``` or ```python3```)
+
+## References
+- [ecg-dashboard](https://github.com/ThomasMBury/ecg-dashboard) @author: Thomas M. Bury