Update website title, add custom favicon and update admin panel

[jupier]

This pull request introduces several enhancements to improve the user experience and add animations to the UI of the wood processing game. Key changes include updates to the HTML metadata, new CSS animations for interactive elements, and state-driven animations in React components.

UI/UX Improvements:

• Updated index.html to include a new favicon, a mask icon for Safari, a theme color, and a descriptive meta tag. The page title was also updated to "XClicker - Wood Processing Game."

CSS Animations:

• Added new animations (popIn, floatUp, shake, and sparkle) in src/App.css to enhance user feedback for resource updates, button clicks, and upgrades. These animations are applied to specific elements like .resource-count, .resource-popup, .upgrade-button, and .upgrade-item. [1] [2]

React Component Enhancements:

• ResourceItem Component: Added state-driven animations for resource count updates and a popup to display incremental changes.
• UpgradeItem Component: Introduced an upgrade animation triggered when an upgrade is successfully applied.
• ProcessingSection Component: Added button click animations using a shared handleButtonClick function to manage state and trigger effects. [1] [2] [3] [4]

Layout Adjustments:

• Adjusted the positioning of the AdminPanel component to move it from the top to the bottom of the screen for better accessibility. [1] [2]