Add a build step to CI

.drone.yml

@@ -3,6 +3,10 @@ kind: pipeline
 name: upload to minio
 
 steps:
+- name: build
+  image: registry.kucharczyk.tech/asciidoc
+  commands:
+    - "asciidoctor -D public asciidoc/*.adoc"
 - name: upload
   image: plugins/s3
   settings:
@@ -11,8 +15,8 @@ steps:
       from_secret: minio_kucharczyk_xyz_access_key
     secret_key:
       from_secret: minio_kucharczyk_xyz_secret_key
-    source: asciidoc/**
-    strip_prefix: asciidoc/
+    source: public/**
+    strip_prefix: public/
     path_style: true
     target: /
     endpoint: https://bucket.kucharczyk.xyz