Build a Bear-Tracking App with Lightning Web Components
项目为Build a Bear-Tracking App with Lightning Web Components，相关链接为：
https://trailhead.salesforce.com/content/learn/projects/lwc-build-flexible-apps
Create a Hello World Lightning Web Component
Work with a Single Record
相关链接为：https://trailhead.salesforce.com/content/learn/projects/lwc-build-flexible-apps/single-record
Work with Lists of Records
相关链接为：https://trailhead.salesforce.com/content/learn/projects/lwc-build-flexible-apps/record-list
Create a Child Component and Interact with It
相关链接为：https://trailhead.salesforce.com/content/learn/projects/lwc-build-flexible-apps/composition
code:
https://gitlab.com/renchk/create-a-child-component-and-interact-with-it2
Communicate with Components Across an App
相关链接为：https://trailhead.salesforce.com/content/learn/projects/lwc-build-flexible-apps/inter-comp-events
全剧终：
