Description

This PR adds help icon to the facets on explorer and oversight and adds link to the respective sections of official documentation.

Related Issue

#755

Motivation and Context

For easy understanding of the use of different facets on RUM Dashboard

How Has This Been Tested?

Explorer:
https://main--helix-website--adobe.aem.page/tools/rum/explorer.html?domain=emigrationbrewing.com&filter=&view=month&metrics=all&domainkey=open
vs
https://facets-help--helix-website--adobe.aem.page/tools/rum/explorer.html?domain=emigrationbrewing.com&filter=&view=month&metrics=all&domainkey=open

Oversight:
https://main--helix-website--adobe.aem.page/tools/oversight/explorer.html?domain=emigrationbrewing.com&filter=&view=month&metrics=all&domainkey=open
vs
https://facets-help--helix-website--adobe.aem.page/tools/oversight/explorer.html?domain=emigrationbrewing.com&filter=&view=month&metrics=all&domainkey=open

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.