* Razor parser rewrite - Rewrite CSharp parser - Basic rewrite of HTML parser (More improvements to follow) - Define and generate syntax nodes and boilerplate - Rewrite ClassifiedSpan and TagHelperSpan generation logic - Rewrite TagHelper phase - Rewrite Intermediate phase - Rewrite other miscellaneous features and bug fixes - Rewrite partial parsing - Added some syntax manipulation APIs - Removed unused legacy types * Test changes - Update parser test infrastructure - Update tests - Regenerated baselines - Removed unused legacy types