fix: Explainer Articles

[stephiescastle]

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Description

Supports https://github.com/nasa-jpl/www/issues/282
Supports https://github.com/nasa-jpl/www/issues/97
Supports https://github.com/nasa-jpl/www/issues/94

• Renames ResourceArticle components to ExplainerArticle
• Adds pill styling options to DetailHeadline
• Configures pill style in PageEduExplainerArticle
• Tweaks to pill style in PageEduEventDetail
• Adjusted sizes of some pills after looking more closely at the design

Instructions to test

1. make vue-storybook
2. View http://localhost:6006/iframe.html?globals=theme:ThemeEdu&args=&id=templates-edu-pageeduexplainerarticle--base-story
3. View http://localhost:6006/?path=/story/components-utilities-detailheadline--pill&args=label:;labelLink:;pillColor:primary;schema:!true&globals=theme:ThemeEdu

Tested in the following environments/browsers:

Operating System

• macOS
• iOS
• iPadOS
• Windows

Browser

• Chrome
• Firefox ESR
• Firefox
• Safari
• Edge