add drone ci build

.drone.yml

@@ -0,0 +1,44 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: submodules
+    image: alpine/git
+    commands:
+      - git submodule update --init --recursive
+
+  - name: build
+    image: klakegg/hugo:0.92.1-ext-ci
+    commands:
+      - hugo
+
+  - name: deploy
+    image: drillster/drone-rsync
+    settings:
+      hosts: [ "irssv1.ups-tlse.fr" ]
+      user:
+        from_secret: ssh_user
+      key:
+        from_secret: ssh_key
+      source: public/
+      target: ~/codes
+      delete: false     # Remove remote files not present on client side
+
+  - name: notify
+    image: drillster/drone-email
+    settings:
+      host: irsamc.ups-tlse.fr
+      from: drone@irssv7.ups-tlse.fr
+      recipients: lcpq-dsasce@irsamc.ups-tlse.fr
+      subject: www-lcpq-codes build
+      attachment: build-result.xml
+      when:
+        status: [changed, failure]
+
+trigger:
+  branch:
+    - main
+  event:
+    - push