feat: Add start as minimized toggle to settings (#248)

Co-authored-by: TheKodeToad <TheKodeToad@proton.me>
Co-authored-by: V <vendicated@riseup.net>
Co-authored-by: Lewis Crichton <lewi@lewisakura.moe>

src/shared/settings.d.ts

@@ -19,6 +19,7 @@ export interface Settings {
     arRPC?: boolean;
     appBadge?: boolean;
     discordWindowsTitleBar?: boolean;
+    startMinimized?: boolean;
 
     maximized?: boolean;
     minimized?: boolean;