Add Templates Extension

.templates/template-sample-react-component/index.jsx

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+import React from "react";
+import classNames from "classnames/bind";
+
+import styles from "./index.scss";
+
+const cx = classNames.bind(styles);
+
+function __templateNameToPascalCase__() {
+  return <div className={cx("__templateNameToParamCase__")}>Hello :)</div>;
+}
+
+export default __templateNameToPascalCase__;

.templates/template-sample-react-component/index.scss

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+.__templateNameToParamCase__ {
+  display: inline-block;
+}