The documentation of ServeFileFS was partly copied from ServeFile
in CL 513956, however it's not exact. This CL fixes some typos, also
removes obsolete comment for name param.
For consistency, also adds godoc link for ServeFile and ServeContent.
Fixes #66578
Change-Id: I87147d72c533d46284f06ef20b37fdafa8706710
Reviewed-on: https://go-review.googlesource.com/c/go/+/575016 Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Damien Neil <dneil@google.com> Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>