added docker to project

.dockerignore

@@ -0,0 +1,5 @@
+docs
+.venv
+scripts
+README.md
+__pycache__

Dockerfile

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+# syntax=docker/dockerfile:1
+FROM python:slim-bullseye
+WORKDIR /app
+
+COPY requirements.txt requirements.txt
+RUN pip3 install -r requirements.txt
+
+COPY . .
+
+CMD [ "python3", "-m" , "flask", "--app", "flaskr/app", "run", "--host=0.0.0.0"]