add nessos link to doc template
add nessos link to doc template

haraldsteinlechner/FsPickler,nessos/FsPickler,FsUnity/Unity3d.FsPickler,cloudRoutine/Unity3d.FsPickler,nessos/FsPickler,mbraceproject/FsPickler,cloudRoutine/Unity3d.FsPickler,wallymathieu/FsPickler,FsUnity/Unity3d.FsPickler,haraldsteinlechner/FsPickler,wallymathieu/FsPickler