feat: add reusable virtual keyboard and integrate it into games

[ShahidJamal1]

🚀 Summary

Fixes #184

This PR improves the mobile gameplay experience by introducing a reusable virtual keyboard component, integrating the Brand Address page, and resolving multiple mobile UI and usability issues across games.

🛠️ Changes

Virtual Keyboard

• Added a reusable VirtualKeyboard.astro component
• Integrated the virtual keyboard into supported games
• Added a mobile toggle button to show/hide the virtual keyboard
• Improved keyboard usability and responsiveness on mobile devices

Mobile UI Improvements

• Fixed back button layout issues on mobile devices
• Fixed hidden buttons and controls across multiple games in mobile view
• Improved button visibility and accessibility on smaller screens
• Prevented the mobile continuation popup from repeatedly appearing on the same device after user confirmation

Game-Specific Enhancements

• Integrated virtual keyboard in Alphabets Playground game
• Integrated virtual keyboard in Varnmala Listen game
• Integrated virtual keyboard and improved mobile controls in Panel game
• Fixed Gallery Slider game button visibility issues
• Restored Draw game controls and ensured proper functionality on mobile devices
• Added Shuffle, New Puzzle, and Clear controls to Crossword game
• Added additional puzzle sets to Crossword game
• Fixed Crossword game popup layout and interaction issues

Brand Address Page

• Added and integrated the Brand Address page into the application
• Implemented associated styles and functionality
• Ensured responsive behavior and seamless integration with the existing application structure

📸 Screenshots

Dark Mode Support

Game Integration

🧪 Testing

• Tested locally
• Verified virtual keyboard functionality on mobile devices
• Verified mobile UI fixes across affected games
• Verified Crossword controls and puzzle set functionality
• Verified Brand Address page integration and responsiveness
• Confirmed responsive behavior on different viewport sizes
• Confirmed controls and buttons are visible and functional

🏁 Checklist

• Code follows project style
• Self-review completed
• No new warnings/lint errors