Kolibri-explore-plugin

<!-- Release notes generated using configuration in .github/release.yml at v6.29.0 -->

What's Changed
Changes
* build: Include all the yarn-built app files in the dist wheel by pwithnall in https://github.com/endlessm/kolibri-explore-plugin/pull/706


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v6.28.0...v6.29.0

<!-- Release notes generated using configuration in .github/release.yml at v6.28.0 -->

What's Changed
Changes
* ci: Add --ci argument to bootstrap.sh and use it from CI jobs by pwithnall in https://github.com/endlessm/kolibri-explore-plugin/pull/702
* build: Include build/kolibri_explore_plugin.app_stats.json by dylanmccall in https://github.com/endlessm/kolibri-explore-plugin/pull/704


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v6.27.0...v6.28.0

<!-- Release notes generated using configuration in .github/release.yml at v6.27.0 -->

What's Changed
Changes
* build: Port from MANIFEST.in to setuptools_scm by pwithnall in https://github.com/endlessm/kolibri-explore-plugin/pull/662
* Disable content caching by dbnicholson in https://github.com/endlessm/kolibri-explore-plugin/pull/696
* Pipfile: Update Pipfile.lock for dependent packages management by starnight in https://github.com/endlessm/kolibri-explore-plugin/pull/701


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v6.26.0...v6.27.0

<!-- Release notes generated using configuration in .github/release.yml at v6.26.0 -->

What's Changed
Changes
* EkPlayButton: Don’t use nullish coalescing operator by pwithnall in https://github.com/endlessm/kolibri-explore-plugin/pull/693


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v6.25.0...v6.26.0

<!-- Release notes generated using configuration in .github/release.yml at v6.25.0 -->

What's Changed
Changes
* Discovery page: Allow unavailable featured channels by manuq in https://github.com/endlessm/kolibri-explore-plugin/pull/678
* Channel header: Safeguard empty description by manuq in https://github.com/endlessm/kolibri-explore-plugin/pull/682
* Prettify README very slightly by wjt in https://github.com/endlessm/kolibri-explore-plugin/pull/683
* Scigirls override: Update header background by manuq in https://github.com/endlessm/kolibri-explore-plugin/pull/688
* Add labels and hover feedback for content download buttons by dylanmccall in https://github.com/endlessm/kolibri-explore-plugin/pull/689
* Fix margins around content card download buttons by dylanmccall in https://github.com/endlessm/kolibri-explore-plugin/pull/691
* MainSections: Center pill text by GeorgesStavracas in https://github.com/endlessm/kolibri-explore-plugin/pull/695


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v6.24.0...v6.25.0

<!-- Release notes generated using configuration in .github/release.yml at v6.24.0 -->

What's Changed
Changes
* Remove extra space in Support link by dylanmccall in https://github.com/endlessm/kolibri-explore-plugin/pull/674
* Add labels for missing media types by manuq in https://github.com/endlessm/kolibri-explore-plugin/pull/675
* Fix custom presentation for PhET by erikos in https://github.com/endlessm/kolibri-explore-plugin/pull/664
* New clamp by manuq in https://github.com/endlessm/kolibri-explore-plugin/pull/680
* Improve spacing of Featured Channels section by GeorgesStavracas in https://github.com/endlessm/kolibri-explore-plugin/pull/677


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v6.23.0...v6.24.0