Update '.drone.yml'

.drone.yml

@@ -21,3 +21,22 @@ steps:
   - name: run pylint
     commands:
       - pylint --rcfile=.pylintrc -- **/*.py
+
+  - name: deploy on test
+    commands: 
+      -  echo 'todo: deploy on test'
+    when:
+      branch: [ develop ] 
+
+  - name: check for version bump
+    commands: 
+      -  echo 'todo: check for version bump'
+    when:
+      branch: [ main ] 
+
+  - name: deploy on production
+    commands: 
+      -  echo 'todo: push to pypi'
+      -  echo 'todo: deploy from pypi on production'
+    when:
+      branch: [ main ]