Error if remote uses SSH

[1ec5]

The Open in GitHub workflow assumes the remote uses an HTTPS URL, which is what GitHub recommends by default. But it should also be possible to ascertain the webpage URL if the remote uses an SSH URL.

[1ec5]

Actually, this line should already ensure that SSH URLs are converted to HTTPS URLs:

read-only-coding/Open Selection in GitHub.workflow/Contents/document.wflow

Line 411 in bc136b7

REPO_URL=${REPO_URL/#git@github.com:/https://github.com/}