feat: component ref

[ZLBer]

What this PR does: add component ref

Which issue(s) this PR fixes:

Fixes #756

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov[bot]]

Codecov Report

Base: 60.56% // Head: 60.39% // Decreases project coverage by -0.16% :warning:

Coverage data is based on head (2324e92) compared to base (c1c6354). Patch coverage: 44.77% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #761      +/-   ##
==========================================
- Coverage   60.56%   60.39%   -0.17%     
==========================================
  Files         133      133              
  Lines        8340     8398      +58     
==========================================
+ Hits         5051     5072      +21     
- Misses       2712     2738      +26     
- Partials      577      588      +11     

Impacted Files	Coverage Δ
pkg/runtime/runtime.go	54.14% <8.33%> (-4.96%)	:arrow_down:
pkg/runtime/ref/injector.go	81.81% <82.60%> (-0.80%)	:arrow_down:
components/hello/helloworld/helloworld.go	100.00% <100.00%> (ø)
pkg/runtime/ref/contianer.go	100.00% <100.00%> (ø)

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[ZLBer]

@seeflood 1.remove global component ref, 2.add a interface InjectConfigComponent like dynamic_coomponet,if one componet impl this interface ,we can inject configStrore for it. 3. add a example for this in helloworldcomponet.

if ok ,i will add configRef for other components

[seeflood]

@ZLBer Looks good to me overall. Please fix the CI errors (except the deadlinks)

[seeflood]

@ZLBer By the way, could u add documentation for this feature? Maybe in some other PR

[ZLBer]

@seeflood sure, i will add a doc in another pr.

[seeflood]

@seeflood sure, i will add a doc in another pr.

Thanks! I submitted an issue https://github.com/mosn/layotto/issues/809 and assigned to you