docs: Add link to new blog

[terrytangyuan]

Signed-off-by: Yuan Tang terrytangyuan@gmail.com

[codecov]

Codecov Report

Merging #8308 (c031dbd) into master (27af0b4) will increase coverage by 0.39%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #8308      +/-   ##
==========================================
+ Coverage   41.53%   41.93%   +0.39%     
==========================================
  Files         174      176       +2     
  Lines       22736    22992     +256     
==========================================
+ Hits         9443     9641     +198     
- Misses      11949    11966      +17     
- Partials     1344     1385      +41     

Impacted Files	Coverage Δ
controller/sync.go	56.96% <0.00%> (-8.17%)	⬇️
server/cache/cache.go	68.00% <0.00%> (-5.34%)	⬇️
util/session/sessionmanager.go	68.75% <0.00%> (-1.37%)	⬇️
reposerver/repository/repository.go	58.08% <0.00%> (-0.56%)	⬇️
controller/appcontroller.go	51.82% <0.00%> (-0.36%)	⬇️
util/localconfig/localconfig.go	2.77% <0.00%> (-0.32%)	⬇️
server/project/project.go	52.50% <0.00%> (-0.19%)	⬇️
util/helm/cmd.go	28.48% <0.00%> (-0.17%)	⬇️
util/clusterauth/clusterauth.go	66.66% <0.00%> (-0.16%)	⬇️
util/argo/diff/diff.go	52.27% <0.00%> (ø)
... and 23 more

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[alexmt]

Thank you!