Implement endpoint for cache deletion

templates/overview.rs.html

@@ -20,4 +20,9 @@ To include the badge in your readme, use the following markdown:
 <pre>
 [![Hits-of-Code](https://@repo_info.domain/@repo_info.path)](https://@repo_info.domain/view/@repo_info.path)
 </pre>
+
+
+<form method="post" action="/@repo_info.path/delete">
+    <button type="submit">Rebuild Cache</button>
+</form>
 }, version_info, repo_count)