[Website] Add "unique challenges of cloud native telco" section to landing page

[Smitholi67]

Describe the update:

• update landing page - https://lfnetworking.org/cloud-native-networking/

Describe why update is needed

• the 1st version of the landing page was released in Nov 2023
• Additional request from the LFN TAC on Feb 21, 2024 to incorporate additional text on the landing page that will:
  • Provides a short explanation for the unique challenges of telco networking and the benefits that taking a cloud native approach can bring. The goal is to add brief text to the landing page that further motivates/explains why the CNTI is of value.

Tasks

• Create draft doc > https://docs.google.com/document/d/1RcEfH4WGvFhUdpfU68RKV7icoVDTvLvKsltkxqbCz8Y/edit
• Draft new landing page content
• Share draft with LFN staff and request updates
• QA published changes
• Close issue

[lixuna]

@Smitholi67 here is the existing landing page draft if you want to use it https://docs.google.com/document/d/1lF3rR3z39B0troqducYxd0vMT8WE9hvFWC3OCphc760/edit#heading=h.1i5sxjm9swy1