Update mkdocs.yml for editing button

Author: marcobarilari

mkdocs.yml

@@ -3,6 +3,7 @@
 site_name: CPP Lab Guide
 repo_name: cpp-lln-lab/CPP_LabGuide
 repo_url: https://github.com/cpp-lln-lab/CPP_LabGuide
+edit_uri: -/edit/main/docs/
 # docs_dir: alternative_path # docs/ is the default folder
 copyright: MIT
 
@@ -17,6 +18,7 @@ theme:
   - navigation.expand
   - content.action.edit
 
+
 docs_dir: doc
 
 # Pages