add mkdocs.yml add workdir in Dockerfile

.drone/Dockerfile

@@ -1,2 +1,5 @@
 FROM squidfunk/mkdocs-material
 RUN pip install mkdocs-git-revision-date-plugin
+
+# Set working directory
+WORKDIR ../docs

mkdocs.yml

@@ -0,0 +1,7 @@
+site_name: F-Docs
+theme:
+    name: 'material'
+repo_url: https://git.r4o.ch/francesco/docs
+docs_dir: 'docs'
+plugins:
+  - git-revision-date