Add Coming Soon modal component

[the-snesler]

Summary

This PR adds a "Coming Soon" modal that appears on every page load for the RED-Coral application.

Changes Made

• Created new component at
• Updated to import and render the modal

Modal Features

• Appears on every page load (dismissed per session using sessionStorage)
• Dark overlay (60% opacity black background with backdrop blur)
• Displays the RED-Coral logo (using from public folder)
• Shows the required text in Spanish about upcoming features:
  • Historical data access (10+ years)
  • Advanced visualization with satellite maps
  • Robust statistical analysis
• Can be dismissed by:
  • Clicking the close button (X) in the top right
  • Clicking outside the modal (on the overlay)
• Uses sessionStorage to remember dismissal during the browser session

Tech Stack

• React + TypeScript + Vite + Tailwind CSS
• Modal uses Tailwind utility classes for styling
• Fully responsive design

[github-actions]

Visit the preview URL for this PR (updated for commit 2f7c8b1):

https://red-coral-map--pr131-coming-soon-modal-1esi8ep5.web.app

_{(expires Thu, 05 Mar 2026 23:50:32 GMT)}

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