feat: added a analytics nav to the header

[jijicodes]

Description and Motivation

Added a Analytics tab in header navigation linking to https://info.whitewhale.money/pools

Related Issues

292

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Checklist:

• [x] I have read Migaloo's contribution guidelines.
• [x] My pull request has a sound title and description (not something vague like Update index.md)
• [x] All existing and new tests are passing.
• [x] I updated/added relevant documentation.
• [x] The code is formatted properly yarn lint.
• [x] The project builds and is able to deploy on Netlify yarn build.

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Name	Link
🔨 Latest commit	71d550aba3b85369282d56e09d584a5ae3400e8b