[react] feat: Added docs for components/Echart

sites/dev/docs/reference/packages/react/components/echart/readme.mdx

@@ -2,6 +2,33 @@
 title: Echart
 ---
 
-:::note
-This page is yet to be created
+import { DocusaurusDoc } from '@freesewing/react/components/Docusaurus'
+import { ComponentDocs } from '@site/src/components/component-docs.js'
+import { jsdocChartWrapper } from '@site/prebuild/jsdoc/components.echart.mjs'
+import { ChartWrapperExample } from './_examples.js'
+
+<DocusaurusDoc>
+
+The **Echart** component family provides the following components:
+
+- [ChartWrapper](#chartwrapper)
+
+In addition, it also exports the following objects:
+
+- [echarts](#echarts)
+
+## EchartWrapper
+
+<ComponentDocs docs={jsdocChartWrapper} example={ChartWrapperExample} />
+
+## echarts
+
+This is a re-export of [Apache Echarts](https://echarts.apache.org/).
+
+:::tip
+#### Not FreeSewing code
+We re-export <code>echarts</code> for convenience.
+Please refer to the documentation for [Apache Echarts](https://echarts.apache.org/).
 :::
+
+</DocusaurusDoc>