feat(ui-ux): include link to metascan for transaction and block details pages

[nattadex]

What this PR does / why we need it:

Which issue(s) does this PR fixes?:

Fixes #

Sample Links & Screenshots:

Link:

Desktop Screenshot

Mobile Screenshot

Additional comments?:

Developer Checklist:

• [ ] Read your code changes at least once
• [ ] Tested on multiple web browsers
• [ ] Tested responsiveness (e.g, iPhone, iPad, Desktop)
• [ ] No console errors
• [ ] Unit tests*
• [ ] Added e2e tests*

[netlify[bot]]

✅ Deploy Preview for defi-scan ready!

Name	Link
🔨 Latest commit	13c0c5c924b447067c571a7773ddce74edc5ff15
🔍 Latest deploy log	https://app.netlify.com/sites/defi-scan/deploys/65e58b3518df760008216448
😎 Deploy Preview	https://deploy-preview-1929--defi-scan.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 configuration.

[fullstackninja864]

Can we check alignment of btn