corrected imports in examples

Author: Dominik Sumer

examples/Login/index.js

@@ -1,5 +1,5 @@
 import React from 'react';
-import Form from '@cat-react/form';
+import {Form} from '@cat-react/form';
 import BasicInput from '../components/BasicInput';
 import autoBind from 'react-autobind';
 

examples/Registration/index.js

@@ -1,5 +1,5 @@
 import React from 'react';
-import Form from '@cat-react/form';
+import {Form} from '@cat-react/form';
 import BasicInput from '../components/BasicInput';
 import autoBind from 'react-autobind';
 

examples/components/BasicInput.js

@@ -1,5 +1,5 @@
 import React from 'react';
-import Input from '@cat-react/form'
+import {Input} from '@cat-react/form'
 
 @Input
 export default class BasicInput extends React.Component {