feat: modify component configuration during runtime

[seeflood]

Signed-off-by: seeflood zhou.qunli@foxmail.com

What this PR does:
modify component configuration during runtime

• implement lifecycle API
• add a demo component
• generate api reference doc
• fix license
• add a quickstart document
• add the quickstart doc into the CI
• add the quickstart doc into the sidebar
• add more test cases

Which issue(s) this PR fixes:

Fixes #500

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov]

Codecov Report

Base: 60.61% // Head: 60.65% // Increases project coverage by +0.04% 🎉

Coverage data is based on head (2f686e2) compared to base (79772ee).
Patch coverage: 76.66% of modified lines in pull request are covered.

❗ Current head 2f686e2 differs from pull request most recent head 2d8f5fd. Consider uploading reports for the commit 2d8f5fd to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #762      +/-   ##
==========================================
+ Coverage   60.61%   60.65%   +0.04%     
==========================================
  Files         133      133              
  Lines        8327     8355      +28     
==========================================
+ Hits         5047     5068      +21     
- Misses       2704     2711       +7     
  Partials      576      576              

Impacted Files	Coverage Δ
pkg/runtime/runtime.go	60.76% <68.18%> (+0.44%)	⬆️
components/hello/helloworld/helloworld.go	100.00% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[seeflood]

I will add the documentation in some other PR, after developing the doc-generator.

[wenxuwan]

LGTM