Export avatar utility functions (#54)

src/index.ts

@@ -14,6 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+/**
+ * Export React components
+ */
+
 export { ActionControl } from "./components/ActionControl/ActionControl";
 export { Alert } from "./components/Alert/Alert";
 export { Avatar } from "./components/Avatar/Avatar";
@@ -40,3 +44,10 @@ export { Root } from "./components/Form/Root";
 export { Submit } from "./components/Form/Submit";
 export { Toggle } from "./components/Toggle/Toggle";
 export { ValidityState } from "./components/Form/ValidityState";
+
+/**
+ * Export utility functions
+ */
+
+export { useIdColorHash } from "./components/Avatar/useIdColorHash";
+export { getInitialLetter } from "./utils/string";