[TASK] Add "standalone" attribute on AbstractAssetViewHelper
[TASK] Header and footer markers, AbstractAssetViewHelper
[TASK] Add "type" with getter on AbstractAssetViewHelper
[TASK] Inject ObjectManager and TagBuilder in AbstractAssetViewHelper
[TASK] Remove "bypass" method on AbstractAssetViewHelper
[TASK] Add "getTagWithContent" on AbstractAssetViewHelper
[TASK] Add "assertAllowedInFooter" on AbstractAssetViewHelper
[TASK] Add "path" attribute on AbstractAssetViewHelper
[TASK] Smaller adjustments to processing, AbstractAssetViewHelper
[FEATURE] Basic Asset ViewHelper and page rendering hooks
[FEATURE] Basic Style Asset ViewHelper
[FEATURE] Basic Script Asset ViewHelper