feat: APPS-2552 flexible blocks component

[pghorpade]

Connected to APPS-2552

Component Created: FlexibleBlocks.vue

Stories: ~/stories/FlexibleBlocks.stories.js

Spec: ~/stories/FlexibleBlocksspec.js

Notes:

Not all flexible blocks are migrated, so some code is commented on in this component. Also tried to add a generics feature of typescript, but was not completely happy with the implementation, as it was becoming more complicated with type guards, so made that into a separate PR, if we would like to use typescript in this component in the future. https://github.com/UCLALibrary/ucla-library-website-components/pull/466

Checklist:

• [x] I checked that it is working locally in the dev server
• [x] I checked that it is working locally in the storybook
• [ ] I checked that it is working locally in the library-website-nuxt dev server
• [ ] I added a screenshot of it working
• [ ] UX has reviewed and approved this
• [x] I assigned this PR to someone on the dev team to review
• [x] I used a conventional commit message
• [x] I assigned myself to this PR

[github-actions[bot]]

Percy Screenshots

In order to conserve our percy screenshot allowance, percy is not configured to run automatically. Please make sure the PR is ready and all other checks are passing, then start it manually:

1. Visit https://github.com/UCLALibrary/ucla-library-website-components/actions/workflows/percy.yml 2. Click the 'Run workflow' button in the blue bar. 3. Select the correct branch for this PR and click 'Run workflow' again to confirm.

[github-actions[bot]]

🚀 Deployed on https://deploy-preview-467--ucla-library-storybook-vue3x.netlify.app

[pghorpade]

:tada: This PR is included in version 2.39.0-alpha.45 :tada:

The release is available on:

• npm package (@alpha dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: