webapp-2.7.0

What's Changed

• Add button for adding a new research experiment by @tuancoltech in #2401
• Allow re-arranging the order of storybook chapters by @tuancoltech in #2402
• chore(release): prepare version 2.7.0-SNAPSHOT by @jo-elimu in #2403

Full Changelog: webapp-2.6.176...webapp-2.7.0