feat/GWW-32: Enable multi-reservoir selection using the cmd/ctrl key

[lsarni]

Ticket: GWW-32

Main features:

• Select multiple reservoirs using cmd/ctrl
• Tooltip to explain how to use this feature
• Detail page for multiple reservoirs using the ids: https://api.globalwaterwatch.earth/multi-reservoir/?ids=84139,80261,82959,85294,89791

[netlify[bot]]

✅ Deploy Preview for global-water-watch-website ready!

Name	Link
🔨 Latest commit	6abe60e5c8d8e69999df9e8fdb3272ad869c35a5
🔍 Latest deploy log	https://app.netlify.com/sites/global-water-watch-website/deploys/640b0c24312cf80008ce01f7
😎 Deploy Preview	https://deploy-preview-193--global-water-watch-website.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication