Scan: Day / Dark Mode

[evilpeach]

Implementation details

• Refactor code
• Setup theme provider

Please ensure the following requirements are met before submitting a pull request:

• [x] The pull request is targeted against the correct target branch
• [ ] The pull request is linked to an issue with appropriate discussion and an accepted design OR is linked to a spec that describes the work.
• [ ] The pull request includes a description of the implementation/work done in detail.
• [ ] The pull request includes any and all appropriate unit/integration tests
• [ ] You have added a relevant changelog entry to CHANGELOG_UNRELEASED.md
• [ ] You have re-reviewed the files affected by the pull request (e.g. using the Files changed tab in the Github PR explorer)

[render[bot]]

Your Render PR Server URL is https://d3n-scan-pr-3317.onrender.com.

Follow its progress at https://dashboard.render.com/static/srv-c2aaups64cktggq8uoc0.

[evilpeach]

We moved to https://github.com/bandprotocol/cosmoscan