drone testing added

.drone.yml

@@ -0,0 +1,12 @@
+
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: test
+  image: python:3.9
+  commands:
+    - pip install -r requirements.txt
+    - python -m unittest discover -s tests
+    - python app.py

requirements.txt

@@ -0,0 +1,2 @@
+
+flask