Fix: Enhance the project introduction

[barnettZQG]

Description of your changes

Fixes #

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run yarn lint to ensure the frontend changes are ready for review.
• Run make reviewableto ensure the server changes are ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

Special notes for your reviewer

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +28.09 🎉

Comparison is base (f7f1236) 32.25% compared to head (e275bbb) 60.34%.

❗ Current head e275bbb differs from pull request most recent head 76cdfc3. Consider uploading reports for the commit 76cdfc3 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #725       +/-   ##
===========================================
+ Coverage   32.25%   60.34%   +28.09%     
===========================================
  Files          82       99       +17     
  Lines       16877    17966     +1089     
===========================================
+ Hits         5443    10842     +5399     
+ Misses      10619     5777     -4842     
- Partials      815     1347      +532     

Flag	Coverage Δ
apiserver-unittests	32.19% <ø> (-0.06%)	⬇️
server-e2e-tests	49.74% <ø> (?)

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see 88 files with indirect coverage changes

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