add pullpreview config

[gidsg]

Add ticket reference to Pull Request title: e.g. 'FS-123: Add content', if there is no ticket prefix with BAU

Change description

Testing pullpreview

• Unit tests and other appropriate tests added or updated
• README and other documentation has been updated / added (if needed)
• Commit messages are meaningful and follow good commit message guidelines (e.g. "FS-XXXX: Add margin to nav items preventing overlapping of logo")

How to test

If manual testing is needed, give suggested testing steps

Screenshots of UI changes (if applicable)

[nuwan-samarasinghe]

Not using any more since closing the PR