Zen UI v2.5.1

What's Changed

• Add testing framework
• Add Zen UI Reader margins to Advanced settings (About > Advanced)
• Add Reader themes (Reader > Reader themes)
• Add Control buttons to Launcher/Navbar
• Add Edit mode to Home/Stats
• Allow setting Launcher to be the default when you open the top Menu (Launcher > Open menu to Launcher)
• Auto suggest icons for Controls/Launcher/Navbar
• Standardize buttons menu for Controls/Launcher/Navbar
• Better sizing/spacing on home widgets
• Update menu icons
• Updated stats page + widgets (Extras > Stats)
• Updated ZenUpdater
• Add Ukrainian translation
• Bug fixes