feat(mac): create and use monochrome menu bar icon

Author: jayfunc

Mac/CarpeCast-Swift/ContentView.swift

@@ -469,10 +469,10 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSWindowDelegate {
     func applicationDidFinishLaunching(_ notification: Notification) {
         statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
         if let button = statusItem.button {
-            let appIcon = NSImage(named: "AppIcon") ?? NSImage(named: NSImage.applicationIconName)
-            if let icon = appIcon?.copy() as? NSImage {
-                icon.size = NSSize(width: 18, height: 18)
-                button.image = icon
+            if let menuBarIcon = NSImage(named: "MenuBarIcon") {
+                menuBarIcon.isTemplate = true
+                menuBarIcon.size = NSSize(width: 18, height: 18)
+                button.image = menuBarIcon
             } else {
                 button.image = NSImage(systemSymbolName: "play.circle", accessibilityDescription: "CarpeCast")
                 button.image?.isTemplate = true

Mac/CarpeCast-Swift/MenuBarIcon.png

@@ -43,8 +43,9 @@ cp -R "$BUILD_DIR/mediaremote-adapter/build/MediaRemoteAdapter.framework" "$APP_
 cp "$BUILD_DIR/mediaremote-adapter/bin/mediaremote-adapter.pl" "$MACOS_DIR/mediaremote-adapter.pl"
 chmod +x "$MACOS_DIR/mediaremote-adapter.pl"
 
-# Copy Info.plist
+# Copy Info.plist and resources
 cp "$SRC_DIR/Info.plist" "$APP_BUNDLE/Contents/Info.plist"
+cp "$SRC_DIR/MenuBarIcon.png" "$RESOURCES_DIR/" || true
 
 # Create PkgInfo
 echo -n "APPL????" > "$APP_BUNDLE/Contents/PkgInfo"