add firefox compat

Signed-off-by: Anvay Mathur <[email protected]>

Author: megagames-me

src/content_script/home/index.ts

@@ -54,4 +54,4 @@ Or, you can wait a few days for the update to be automatically installed.
 If you have installed manually via ZIP, delete the extension and use these instructions to install the latest version:
 https://anvaymathur.com/saspes/custom.html`);
   }
-});
+});

src/content_script/scores/scoreTools/SingleAssignment.svelte

@@ -14,8 +14,8 @@
     type GradePercentage,
   } from "../../../models/grades";
 
-  import Shepherd from "shepherd.js";
   import browser from "webextension-polyfill";
+  import Shepherd from "shepherd.js";
 
   export let finalPercent: number;
   export let gradeManager: GradeManager;