Added build pipeline.

.drone.yml

@@ -0,0 +1,39 @@
+kind: pipeline
+name: default
+
+steps:
+  - name: Compile site
+    image: node:lts
+    commands:
+      - yarn
+      - npx harp ./ ./dist
+    volumes:
+      - name: cache
+        path: /drone/src/node_modules
+
+  - name: Deploy
+    image: drillster/drone-rsync
+    settings:
+      user:
+        from_secret: shikoku_ssh_user
+      key:
+        from_secret: shikoku_ssh_key
+      hosts:
+        from_secret: shikoku_hostname
+      source: ./dist/*
+      target: ~/sites/undersco.re
+      secrets:
+        [shikoku_ssh_key, shikoku_hostname, shikoku_ssh_user, shikoku_ssh_port]
+      port:
+        from_secret: shikoku_ssh_port
+    when:
+      branch:
+        - main
+      event:
+        - push
+        - custom
+
+volumes:
+  - name: cache
+    host:
+      path: /tmp/drone/cache/ndc_org/node_modules