Add debugger download troubleshooting to debugger.md #161
Add debugger download troubleshooting to debugger.md #161

This add suggestions for troubleshooting download errors for the debugger
to debugger.md.

gregg-miskelly/omnisharp-vscode,OmniSharp/omnisharp-vscode,OmniSharp/omnisharp-vscode,OmniSharp/omnisharp-vscode,gregg-miskelly/omnisharp-vscode,OmniSharp/omnisharp-vscode,seraku24/omnisharp-vscode,gregg-miskelly/omnisharp-vscode,OmniSharp/omnisharp-vscode,gregg-miskelly/omnisharp-vscode,seraku24/omnisharp-vscode