Add CI

drone.yml

@@ -0,0 +1,22 @@
+---
+kind: pipeline
+type: docker
+name: build and publish
+
+steps:
+- name: build
+  image: python
+  commands:
+  - python -m build
+- name: publish
+  image: plugins/pypi
+  settings:
+    username:
+      from_secret:  pypi_username
+    password:
+      from_secret: pypi_password
+trigger:
+  branch:
+  - main
+  event:
+  - tag