Improve the base_path story (#2381)

* Improve the base_path story

* allow base path routes without trailing slash

* remove note about trailing /

* fix clippy empty docs

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Co-authored-by: Evan Almloff <evanalmloff@gmail.com>

packages/desktop/headless_tests/eval.rs

@@ -6,6 +6,7 @@ use serde::Deserialize;
 mod utils;
 
 pub fn main() {
+    #[cfg(not(windows))]
     utils::check_app_exits(app);
 }