Add drone pipeline to mimic Gitlab

.drone.yml

@@ -0,0 +1,35 @@
+kind: pipeline
+type: docker
+name: build
+
+steps:
+  - name: build
+    image: python:3-buster
+    commands:
+    - export PYTHONPATH=.
+    - export FLASK_APP=period
+    - apt-get update -qy
+    - apt-get install -y python3-dev python3-pip
+    - pip3 install --upgrade pip
+    - pip3 install --upgrade setuptools
+    - pip3 install Flask gunicorn pytest pytest-cov
+    - pip3 install pendulum
+
+---
+kind: pipeline
+type: docker
+name: test
+
+steps:
+  - name: test
+    image: python:3-buster
+    commands:
+    - export PYTHONPATH=.
+    - export FLASK_APP=period
+    - apt-get update -qy
+    - apt-get install -y python3-dev python3-pip
+    - pip3 install --upgrade pip
+    - pip3 install --upgrade setuptools
+    - pip3 install Flask gunicorn pytest pytest-cov
+    - pip3 install pendulum
+    - pytest tests --cov --cov-report term --cov-report html --junitxml=report.xml