KAW-7745 Add columns variants

[TomaszDziezykNetcentric]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fix #KAW-7745

Test URLs:

• Before: https://main--edge-delivery-bimota--netcentric.hlx.page/drafts/tdziezyk/columns
• After: https://kaw-7745-columns-variants--edge-delivery-bimota--netcentric.hlx.page/drafts/tdziezyk/columns

[aem-code-sync]

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Commits

• 56db2b3 ✅ (latest)
• 16b187d ✅
• c18cb49 ✅
• 4d019e6 ✅
• 31b0569 ✅
• 8013248 ✅
• 1953354 ✅

[aem-code-sync]

	Page	Scores	Audits	Google
M	/drafts/tdziezyk/columns
D	/drafts/tdziezyk/columns

[lakshmishriaswathnarayana]

the line should be full width currently it's just 3/4th . You can see this for screen size greater than 760px