minor changes

.gitignore

···
 node_modules
 dist
-build
+builds
 target

src-tauri/src/lib.rs

···
   match fs::metadata(&container_folder) {
     Ok(meta) => {
       if meta.is_file() {
-        panic!(
-          "document.write('Cannot launch app as the container path is a file not a directory')"
-        );
+        panic!("Cannot launch app as the container path is a file not a directory");
       }
     }
     Err(_) => {