Add link to cncf landscape

[saiyan86]

What this PR does / why we need it:

This PR adds links to the CNCF landscape.

Will this PR make the community happier?

Yes. The community can see the positioning of Shifu in the cloud native landscape now.

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

How is this PR tested

• unit test
• e2e test
• other (please specify)

Special notes for your reviewer:

Release note:

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.34 ⚠️

Comparison is base (34edd98) 56.49% compared to head (77232bd) 56.15%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #571      +/-   ##
==========================================
- Coverage   56.49%   56.15%   -0.34%     
==========================================
  Files          21       21              
  Lines        2062     2062              
==========================================
- Hits         1165     1158       -7     
- Misses        790      795       +5     
- Partials      107      109       +2     

see 2 files with indirect coverage changes

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