Split FSharp.NET.Sdk package in sdk only + targets

[enricosada]

ref dotnet/cli#4976

Move Sdk dir in another FSharp.NET.Sdk package version, so can be bundled in VS/cli

• FSharp.NET.Sdk 1.0.0-bundled the part bundled in VS/cli
• FSharp.NET.Sdk 1.0.0 the part restored from PackageReference

Name cannot be changed atm (will break templates, so lot of pain), so atm using two version can be ok (the -bundled is pinned anyway in VS/CLI).

[TheRealPiotrP]

👀

I hope all is well in F#!

[enricosada]

@piotrpMSFT yes, the sdk part was ok, i was finishing the package (removing dotnet-compile-fsc, some cleanup, etc)
i'll fix this with dotnet/cli#5557 and more PR with new templates soon (probably i need to learn about dotnet new3 too for that 😄 )

[enricosada]

moved to .net core sdk 2.0, the 1.0 is code freeze