SEO: canonical, sitemap.xml, robots.txt, JSON-LD, noindex admin

public/robots.txt

@@ -0,0 +1,16 @@
+User-agent: *
+Disallow: /?action=edit
+Disallow: /?action=create
+Disallow: /?action=admin
+Disallow: /?action=delete
+Disallow: /?action=diff
+Disallow: /?action=categories
+Disallow: /?action=add_files
+Disallow: /?action=import_image
+Disallow: /?action=sources
+Disallow: /?action=profile
+Disallow: /login
+Disallow: /logout.php
+Disallow: /oidc/
+
+Sitemap: https://varlog.a5l.fr/sitemap.xml