Prevent unnecessary download process

[gemstonedevteam]

When creating a distro with debos, VSCode Extensions and some debs are downloaded over and over again. Instead, it is better to download it to a place under the Build folder and install it from there.

[https://github.com/t3gemstone/sdk/blob/663fdfb9dcff144cb6d5902b4ee004416861f9b0/distro/distro.yaml#L227](

sdk/distro/distro.yaml

Line 227 in 663fdfb

script: scripts/custom/install-vscode.sh

)