ci: add documentation pipeline stage for development branch

.drone.yml

@@ -87,3 +87,37 @@ steps:
   pull: if-not-exists
   commands:
     - ./tools/ci/static_analysis/clang_format.sh
+
+---
+kind: pipeline
+type: docker 
+name: documentation
+
+trigger:
+  branch:
+  - main
+
+steps:
+- name: build and deploy
+  image: documentation:latest
+  commands:
+    # Build docs
+    - pwd
+    - cd docs
+    - mkdir generated
+    - touch generated/changelogs.rst
+    - touch generated/api.rst
+    - sphinx-build -M html . .
+
+    - mv ./html light_docs_dev_staging
+
+    # Stage
+    - ssh -tt 'light@5.75.206.84' 'sudo rm -rf /home/light/light_docs_dev_staging'
+    - scp -r './light_docs_dev_staging' 'light@5.75.206.84:/home/light/'
+
+    # Move to endpoint
+    - ssh -tt 'light@5.75.206.84' 'sudo rm -rf /home/light/light_docs_dev/*'
+    - ssh -tt 'light@5.75.206.84' 'sudo mv /home/light/light_docs_dev_staging/* /home/light/light_docs_dev/'
+
+    # Remove staging
+    - ssh -tt 'light@5.75.206.84' 'sudo rm -rf /home/light/light_docs_dev_staging'