Added minimal first version (#1)

Reviewed-on: https://git.cuzo.dev/Parra/crypto-reporter/pulls/1

Dockerfile

@@ -0,0 +1,9 @@
+FROM python:3-alpine
+
+# Install dependencies:
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+# Run the application:
+COPY main.py .
+CMD ["python", "main.py"]