feat(framework) Build Docker images from main branch

[Robert-Steiner]

Issue

Description

• Adds a new CI workflow file to build Docker images for each new commit on the main branch.

Related issues/PRs

Proposal

Explanation

Checklist

• [ ] Implement proposed change
• [ ] Write tests
• [ ] Update documentation
• [ ] Make CI checks pass
• [ ] Ping maintainers on Slack (channel #contributions)

Any other comments?