Added propTypes to TaskList component

src/components/TaskList.jsx

@@ -1,5 +1,5 @@
 import React from "react";
-
+import PropTypes from "prop-types";
 import Task from "./Task";
 
 export default function TaskList({ loading, tasks, onPinTask, onArchiveTask }) {
@@ -51,3 +51,16 @@ export default function TaskList({ loading, tasks, onPinTask, onArchiveTask }) {
     </div>
   );
 }
+TaskList.propTypes = {
+  /** Checks if it's in loading state */
+  loading: PropTypes.bool,
+  /** The list of tasks */
+  tasks: PropTypes.arrayOf(Task.propTypes.task).isRequired,
+  /** Event to change the task to pinned */
+  onPinTask: PropTypes.func,
+  /** Event to change the task to archived */
+  onArchiveTask: PropTypes.func,
+};
+TaskList.defaultProps = {
+  loading: false,
+};