fix most typos, add crate-ci/typos to CI (#2653)

* fix most typos, add crate-ci/typos to CI

---------

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/cli/src/serve/proxy.rs

@@ -176,7 +176,7 @@ mod test {
                 .unwrap();
         });
 
-        // Expose *just* the fileystem web server's address
+        // Expose *just* the filesystem web server's address
         server_handle_handle.listening().await.unwrap().to_string()
     }