Create a Blazor WebAssembly SDK (#24044)

AspNetCore.sln

eng/Build.props

eng/ProjectReferences.props

src/Components/Components.slnf

src/Components/ComponentsNoDeps.slnf

src/Components/Directory.Build.props

src/Components/Directory.Build.targets

...crosoft.NET.Sdk.BlazorWebAssembly.IntegrationTests.csproj

...s/WebAssembly/Sdk/integrationtests/ServiceWorkerAssert.cs

...embly/Sdk/integrationtests/WasmBuildIncrementalismTest.cs

...Assembly/Sdk/integrationtests/WasmBuildIntegrationTest.cs

...WebAssembly/Sdk/integrationtests/WasmBuildLazyLoadTest.cs

.../WebAssembly/Sdk/integrationtests/WasmCompressionTests.cs

...sembly/Sdk/integrationtests/WasmPublishIntegrationTest.cs

.../WebAssembly/Sdk/integrationtests/WasmPwaManifestTests.cs

...onents/WebAssembly/Sdk/integrationtests/xunit.runner.json

src/Components/WebAssembly/Sdk/src/AssetsManifestFile.cs

...ts/WebAssembly/Sdk/src/BlazorReadSatelliteAssemblyFile.cs

...s/WebAssembly/Sdk/src/BlazorWriteSatelliteAssemblyFile.cs

src/Components/WebAssembly/Sdk/src/BootJsonData.cs