Make sure to change the project in de GCP instruction tutorial

[rielzzapps]

The project mentioned in the instruction is "dcs-openvscode-server", but one needs to change it into the project where the compute engine is deployed.

[mikenikles]

Oh my... 😅. Thanks for catching that Riël, I'll clean that up as part of #136.

[akosyakov]

@mikenikles can be closed?

[filiptronicek]

@akosyakov this is still an issue