1846d8f3ad
- add new github actions workflow to create new backstage app, build it and create a new preview using uffizzi. uffizzi-build.yml builds the image from the PR. Once it completes, uffizzi-preview.yml is triggered in the context of the default branch to create the preview and post a comment to the Pull request - add .github/uffizzi folder with the docker-compose template and app config for backstage created by uffizzi. Signed-off-by: Vibhav Bobade <vibhav.bobde@gmail.com>