Update Codespaces link

Use the link that directly shows info about Codespaces, because it's a bit confusing when the user clicks on <kbd>GitHub Codespaces</kbd> and is directed to github.com.

Fix compilation

Fix compilation

Fixes microsoft#137568

Change PATH in `server.sh`

Change PATH in `server.sh`

Update readme

[build] only pack code and server binaries

update README with openvscode-server

Merge pull request microsoft#105341 from microsoft/sandy081/fix104834

Fix microsoft#104834