Fix licensing information to align with legal terms

[keirthana]

Done

For documenration, updated license information to CC-BY-SA according to terms confirmed with legal team.

QA

• Check out this feature branch
• Run the site using the command ./run serve
• View the site locally in your web browser at: http://0.0.0.0:8043/
• Run through the following QA steps
• [List additional steps to QA the new features or prove the bug has been resolved]

Issue / Card

Fixes #

Screenshots

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[webteam-app]

Demo

Jenkins

demos.haus

[edlerd]

The copyright now spans two lines, breaking within the license name:

Maybe we can rearrange the text a bit like this:

Not sure how flexible the text is legally. Or add a line break after the year, that improves as well:

[keirthana]

The copyright now spans two lines, breaking within the license name:

Maybe we can rearrange the text a bit like this:

Not sure how flexible the text is legally. Or add a line break after the year, that improves as well:

I was trying to see if I can make the footer content two column instead of three. However, this is better. I have chosen the latter option so that we keep the text intact.