[Design] Create badge for LFN CNTi Certification participants

[lixuna]

Describe the update:

• Create LFN CNTi Certification badge
• Wording to use on the badge = "CNTi Certified"

Describe why update is needed

• CNF WG (and CNCF’s related Cloud Native Telco efforts) has moved to LFN (see wiki)
• CNCF Versions of CNF Certified badges are available in https://github.com/cncf/artwork/tree/main/other/cnf-certified

Tasks

• [x] request assistance from design team to create CNTI Certification badge
• [x] MATRIXX has offered to create the Certification badge and project logo
• [x] brainstorm ideas for the CNTI Certification badge that will be issued to participants who completed the certification process
• [x] Peer review of first draft
• [ ] Share logo design with Daniel S. for trademark clearance research
• [ ] use badge in Brand Guide #71