Added validation for task title

src/components/forms/AddTaskForm.js

@@ -76,7 +76,12 @@ class AddTaskForm extends Component {
           <Button
             inverted
             color='green'
-            disabled={(title === '' || text === '' || deadline === '' || moment().isAfter(deadline))}
+            disabled={
+              title === '' ||
+              title.length > 150 ||
+              text === '' ||
+              deadline === '' || moment().isAfter(deadline)
+            }
             onClick={() => {
               this.props.addTask({ title, text, deadline });
               this.setState({ showModal: false });

src/components/forms/EditTaskForm.js

@@ -82,7 +82,12 @@ class EditTaskForm extends Component {
           <Button
             inverted
             color='green'
-            disabled={(title === '' || text === '' || deadline === '' || moment().isAfter(deadline))}
+            disabled={
+              title === '' ||
+              title.length > 150 ||
+              text === '' ||
+              deadline === '' || moment().isAfter(deadline)
+            }
             onClick={() => {
               this.props.editTask({
                 id,