docs(releaser): fix Geekdoc edit path — content/ was duplicated

Geekdoc sets geekdocFilePath to the file path relative to the Hugo
working dir (docs/), so it already begins with content/. The previous
value "docs/content" caused the join to produce docs/content/content/.
Corrected to "_edit/main/docs".

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/hugo.toml

@@ -15,7 +15,7 @@ pygmentsCodeFences = true
 [params]
   geekdocLogo = "images/releaser-logo-1024.png"
   geekdocRepo = "https://git.k3nny.fr/k3nny/releaser"
-  geekdocEditPath = "_edit/main/docs/content"
+  geekdocEditPath = "_edit/main/docs"
   geekdocSearch = true
   geekdocMenuBundle = true
   geekdocBreadcrumb = false