Add VSCode workspace to gitignore (#452)
Add VSCode workspace to gitignore (#452)

This is a trivial commit that just makes sure VSCode
workspace options files are not included into repo

Thanks!
jbijlsma/IdentityServer4,jbijlsma/IdentityServer4,IdentityServer/IdentityServer4,jbijlsma/IdentityServer4,IdentityServer/IdentityServer4,siyo-wang/IdentityServer4,IdentityServer/IdentityServer4,MienDev/IdentityServer4,MienDev/IdentityServer4,MienDev/IdentityServer4,jbijlsma/IdentityServer4,chrisowhite/IdentityServer4,chrisowhite/IdentityServer4,MienDev/IdentityServer4,siyo-wang/IdentityServer4,siyo-wang/IdentityServer4,chrisowhite/IdentityServer4,IdentityServer/IdentityServer4