feat: add translucency option for macOS (#849)

Co-authored-by: V <vendicated@riseup.net>

src/api/settings.ts

@@ -38,6 +38,7 @@ export interface Settings {
     frameless: boolean;
     transparent: boolean;
     winCtrlQ: boolean;
+    macosTranslucency: boolean;
     disableMinSize: boolean;
     winNativeTitleBar: boolean;
     plugins: {
@@ -72,6 +73,7 @@ const DefaultSettings: Settings = {
     frameless: false,
     transparent: false,
     winCtrlQ: false,
+    macosTranslucency: false,
     disableMinSize: false,
     winNativeTitleBar: false,
     plugins: {},