Issue 7: Added Scroll to Top button (i.e. Navigation Block)

[shrotia]

Added Scroll to Top button (i.e. Navigation Block)

Fix #7

Test URLs:

• Before: https://main--infosys--aemsites.hlx.live/iki
• After: https://issue-7-v1--infosys--aemsites.hlx.live/iki

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
• [ ] Re-sync branch

Commits

* [f221ffa](https://github.com/aemsites/infosys/commit/f221ffa15601ffc3852944d6f143d9e0fe762eda) :white_check_mark: (latest) * [ba750db](https://github.com/aemsites/infosys/commit/ba750db00184d66d0784801f10d39f8a7a4e6e5d) :white_check_mark: * [7446ae3](https://github.com/aemsites/infosys/commit/7446ae356e848a95289a1938c79c6749b0f0112f) :white_check_mark: * [11d3b7d](https://github.com/aemsites/infosys/commit/11d3b7da538665964f4baa898152ebc2108e161e) :white_check_mark:

[aem-code-sync[bot]]

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