make spellcheck use all system locales

src/preload/VencordDesktopNative.ts

@@ -23,6 +23,10 @@ export const VencordDesktopNative = {
         get: () => sendSync<Settings>(IpcEvents.GET_SETTINGS),
         set: (settings: Settings, path?: string) => invoke<void>(IpcEvents.SET_SETTINGS, settings, path)
     },
+    spellcheck: {
+        setLanguages: (languages: readonly string[]) => invoke<void>(IpcEvents.SPELLCHECK_SET_LANGUAGES, languages)
+        // todo: perhaps add ways to learn words
+    },
     win: {
         focus: () => invoke<void>(IpcEvents.FOCUS)
     }

src/preload/index.ts

@@ -39,5 +39,6 @@ if (IS_DEV) {
         document.getElementById("vcd-css-core")!.textContent = readFileSync(rendererCss, "utf-8");
     });
 }
-
 // #endregion
+
+VencordDesktopNative.spellcheck.setLanguages(window.navigator.languages);