add minimum files

.drone.yml

@@ -0,0 +1,21 @@
+kind: pipeline
+type: docker
+name: Azure Function App
+
+steps:
+- name: Build and upload function app
+  environment:
+    AZURE_SP:
+     from_secret: AZURE_SP
+    AZURE_SP_PASSWORD:
+     from_secret: AZURE_SP_PASSWORD
+    AZURE_SP_TENANT:
+     from_secret: AZURE_SP_TENANT
+    FUNCTION_APP_NAME:
+     from_secret: FUNCTION_APP_NAME
+  image: mcr.microsoft.com/azure-cli
+  commands:
+  - apk add npm
+  - npm i -g azure-functions-core-tools@3 --unsafe-perm true
+  - az login --service-principal -u $AZURE_SP -p $AZURE_SP_PASSWORD --tenant $AZURE_SP_TENANT
+  - func azure functionapp publish $FUNCTION_APP_NAME --python