feat: support autoRender

[byene0923]

What type of PR is this? feat

What this PR does / why we need it (English/Chinese): en: support auto render for html zh: html render 支持可配置化自动加载

Which issue(s) this PR fixes: https://github.com/cloudwego/hertz/issues/95

[codecov[bot]]

Codecov Report

Merging #194 (372ba42) into develop (9f2cacd) will increase coverage by 0.04%. The diff coverage is 65.21%.

@@             Coverage Diff             @@
##           develop     #194      +/-   ##
===========================================
+ Coverage    58.99%   59.03%   +0.04%     
===========================================
  Files           79       79              
  Lines         7999     8017      +18     
===========================================
+ Hits          4719     4733      +14     
- Misses        2932     2936       +4     
  Partials       348      348              

Impacted Files	Coverage Δ
pkg/app/server/render/html.go	0.00% <0.00%> (ø)
pkg/common/config/option.go	0.00% <ø> (ø)
pkg/app/server/option.go	89.47% <100.00%> (+0.38%)	:arrow_up:
pkg/route/engine.go	62.46% <100.00%> (+1.44%)	:arrow_up:
pkg/common/compress/compress.go	80.95% <0.00%> (-2.86%)	:arrow_down:
pkg/network/standard/buffer.go	81.08% <0.00%> (-0.50%)	:arrow_down:
pkg/common/timer/timer.go	80.95% <0.00%> (+19.04%)	:arrow_up:

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[Duslia]

Ci is not passed.

[GuangmingLuo]

codecov/project can be bypassed in this case

[welkeyever]

continue in #207