adds devcontainer-features-btp and devcontainer-features-templates by navinkrishnan

[navinkrishnan]

What type of PR is this?

• Add a new dev container collection
• Update to an existing dev container collection
• Documentation/spec update
• Other containers.dev site update (UX, layout, etc)

Related Issues

• Related Issue #
• Closes #

Description

• Adds new collection of devcontainer features https://github.com/navinkrishnan/devcontainer-features-btp that is relevant to SAP BTP CAP application development.
• Adds devcontainer template https://github.com/navinkrishnan/devcontainer-templates-btp that adds the relevant features and extensions for the application development in BTP.

Collection checklist

If your PR contributes a new collection, please utilize this checklist:

• Collection name
• Maintainer name
• Maintainer contact link (i.e. link to a GitHub repo, email)
• Repository URL
• OCI Reference
• I acknowledge that this collection provides new functionality, distinct from the existing collections part of this index.

[navinkrishnan]

Hi @AlvaroRausell, Can you please help to review and merge this ?

[navinkrishnan]

Hi @AlvaroRausell : Can you please help to review and merge this PR