fixes (#449)

* fixes

* prettier

* more bugs

* changes

* more fixes

* prettier, fmt, clippy

* fix regressed error

* println, console.log

* fix imports

---------

Co-authored-by: Geometrically <18202329+Geometrically@users.noreply.github.com>
Co-authored-by: Jai A <jaiagr+gpg@pm.me>

theseus_gui/src/helpers/utils.js

@@ -11,6 +11,11 @@ export async function isDev() {
   return await invoke('is_dev')
 }
 
+// One of 'Windows', 'Linux', 'MacOS'
+export async function getOS() {
+  return await invoke('plugin:utils|get_os')
+}
+
 export async function showInFolder(path) {
   return await invoke('plugin:utils|show_in_folder', { path })
 }