Documentation: add more installation instuctions (#2824)

Co-authored-by: Polina Sokolova <polinasok@users.noreply.github.com>
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polinasok 2021-12-12 10:30:21 -08:00 committed by GitHub
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@ -9,11 +9,20 @@ $ cd delve
$ go install github.com/go-delve/delve/cmd/dlv
```
On Go version 1.16 or later, this command will also work:
Alternatively, on Go version 1.16 or later:
```
# Install the latest release:
$ go install github.com/go-delve/delve/cmd/dlv@latest
# Install at tree head:
$ go install github.com/go-delve/delve/cmd/dlv@master
# Install at a specific version or pseudo-version:
$ go install github.com/go-delve/delve/cmd/dlv@v1.7.3
$ go install github.com/go-delve/delve/cmd/dlv@v1.7.4-0.20211208103735-2f13672765fe
```
See [Versions](https://go.dev/ref/mod#versions) and [Pseudo-versions](https://go.dev/ref/mod#pseudo-versions) for how to format the version suffixes.
See `go help install` for details on where the `dlv` executable is saved.