Update build.sh

Author: mckaragoz

build.sh

@@ -3,5 +3,6 @@ chmod +x dotnet-install.sh
 ./dotnet-install.sh -c 7.0 -InstallDir ./dotnet7 
 ./dotnet7/dotnet --version 
 ./dotnet7/dotnet tool install Excubo.WebCompiler --global
+./dotnet7/dotnet workload install wasm-tools
 ./dotnet7/dotnet workload restore
 ./dotnet7/dotnet publish ComponentViewer.Wasm/ComponentViewer.Wasm.csproj -c Release -o output