feat(thought-leadership): Add "Hero banner" block

[nimithshetty17]

Issue

MERATIVE-744

Description

Within the Thought Leadership landing, we have a hero/lead space block that gets displayed for each solution (eg. Health Insight)

New

Design Specs

• Figma Link - https://www.figma.com/file/dFJwrp6VkUMSirF2KMLRMx/Thought-leadership-library?type=design&node-id=520-24861&mode=design&t=ZXc41QQHzZ4VkZEe-0

Test URLs

https://hero-banner-thought-leadership--merative2--nimithshetty17.hlx.page/drafts/nimith/hero

Testing Instruction

To test the hero banner and its responsiveness with respect to the design across all devices.

[aem-code-sync[bot]]

Hello, I'm Franklin Bot and I will run some test suites that validate the page speed. In case there are problems, just click the checkbox below to rerun the respective action.

• [ ] Re-run PSI Checks

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/drafts/nimith/hero

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/drafts/nimith/hero

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/drafts/nimith/hero

[nimithshetty17]

@sachinmesh the changes have been done. Please have a look and let me know if there are any concerns.

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/drafts/nimith/hero

[nimithshetty17]

@proeung Closing this PR as I have opened another one.