🎨 Palette: UX Accessibility Improvements for Material Symbols and Buttons

[Bhishaj9]

💡 What:

• Added aria-hidden="true" to all decorative Material Symbols icons to prevent screen readers from reading out raw ligatures.
• Added explicit aria-labels to icon-only interactive elements (such as the "Back to Home" link, "Deploy" button, "Copy" and "Download" buttons).
• Formatted the HTML files for consistency using Prettier.
• Created the .jules/palette.md journal and logged the a11y learning about structural icon elements.

🎯 Why:

• Prior to this, screen readers would read aloud the raw ligature text (e.g., "all inclusive", "cloud upload") out of context for visual-only layout items.
• Icon-only interactive buttons lacked accessible names, meaning users relying on screen readers wouldn't know their purpose.

♿ Accessibility:

• Solves a major compliance issue by ensuring icons are either explicitly labeled on parent elements or hidden from assistive technology when purely decorative.

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PR created automatically by Jules for task 2205988244158153025 started by @Bhishaj9

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