389: Add article collection block.

[rjwtrmn]

Fix #389

Test URLs:

• Before: https://main--hlx-test--urfuwo.hlx.live/draft/rjwtrmn/article-collection

• After: https://389-article-collection--hlx-test--urfuwo.hlx.live/draft/rjwtrmn/article-collection

• [x] New Blocks introduced in this PR

Block Name	Documentation	Library Link
article collection	doc-link	Library Link

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
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Commits

* [fa96b00](https://github.com/urfuwo/hlx-test/commit/fa96b0016534fc82d9df656c6d25b6447431c840) :white_check_mark: (latest) * [272d22e](https://github.com/urfuwo/hlx-test/commit/272d22ee00c77a80eb3790575c8995978edf000f) :white_check_mark: * [075157a](https://github.com/urfuwo/hlx-test/commit/075157a9209267f284d2dfcccdff99f004dead5b) :white_check_mark: * [0ca92e2](https://github.com/urfuwo/hlx-test/commit/0ca92e275d3e144914c83fe0ad0e8a55fe0b83e8) :white_check_mark: * [0ecfb63](https://github.com/urfuwo/hlx-test/commit/0ecfb63d547edbd45add1c5c6ef08cabf39eb60a) :white_check_mark: * [eb1d5df](https://github.com/urfuwo/hlx-test/commit/eb1d5df222e6287d0cb7afed55ff08bc85ee7adf) :white_check_mark: * [887c5b9](https://github.com/urfuwo/hlx-test/commit/887c5b9dfdc8de2123e5e1548f8b40719f8515b9) :white_check_mark: * [33c7984](https://github.com/urfuwo/hlx-test/commit/33c79843e56541ad11e9819f06be2560c845010f) :white_check_mark:

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/draft/rjwtrmn/article-collection
/tools/sidekick/library.html?plugin=blocks&path=/tools/sidekick/blocks/article-c ollection&index=0