Cherry-pick: Add Additional Resources to ecosystem dropdown (#1182) (#414)
Cherry-pick: Add Additional Resources to ecosystem dropdown (#1182) (#414)

* Add Additional Resources to ecosystem dropdown (#1182)

* Add additional resources to dropdown

* reorganize ecosystem dropdown, adding Tooling

* Move roadmap to News section of ecosystem dropdown

* Update "Core Plugins" to "Core Libraries"

* WebpackのTemplateをテンプレート、Roadmapをロードマップに

vuejs/jp.vuejs.org,potato4d/jp.vuejs.org,vuejs/jp.vuejs.org,potato4d/jp.vuejs.org