Load script/style asynchronously.

[maliming]

Resolve #10306

<abp-script defer="true" src="/Pages/Index.js" />

<abp-script-bundle defer="true">
    <abp-script src="/Pages/Index.js" />
</abp-script-bundle>

Configure<AbpTagHelperScriptStyleLoadingOptions>(options =>
{
    options.PreloadStyles.Add("/__bundles/Basic.Global");
});

[hikalkan]

Please create an issue about the documentation update and send a PR for it separately.

[codecov]

Codecov Report

Merging #10317 (7daaeeb) into dev (2f28080) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##              dev   #10317      +/-   ##
==========================================
- Coverage   54.74%   54.72%   -0.03%     
==========================================
  Files        2639     2639              
  Lines       75272    75307      +35     
==========================================
  Hits        41208    41208              
- Misses      34064    34099      +35     

Impacted Files	Coverage Δ
...p/AspNetCore/Mvc/UI/Bundling/AbpBundlingOptions.cs	0.00% <0.00%> (ø)
...ndling/TagHelpers/AbpBundleItemTagHelperService.cs	0.00% <0.00%> (ø)
...I/Bundling/TagHelpers/AbpBundleTagHelperService.cs	0.00% <0.00%> (ø)
...UI/Bundling/TagHelpers/AbpScriptBundleTagHelper.cs	0.00% <0.00%> (ø)
...e/Mvc/UI/Bundling/TagHelpers/AbpScriptTagHelper.cs	0.00% <0.00%> (ø)
.../UI/Bundling/TagHelpers/AbpStyleBundleTagHelper.cs	0.00% <0.00%> (ø)
...re/Mvc/UI/Bundling/TagHelpers/AbpStyleTagHelper.cs	0.00% <0.00%> (ø)
...Bundling/TagHelpers/AbpTagHelperResourceService.cs	0.00% <0.00%> (ø)
...I/Bundling/TagHelpers/AbpTagHelperScriptService.cs	0.00% <0.00%> (ø)
...UI/Bundling/TagHelpers/AbpTagHelperStyleService.cs	0.00% <0.00%> (ø)

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