Added modal window for server deletion

src/servers/DeleteServerModal.js

@@ -0,0 +1,25 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import { Modal, ModalBody, ModalFooter, ModalHeader } from 'reactstrap';
+import { deleteServer } from './reducers/server';
+
+export const DeleteServerModal = ({ server, deleteServer, toggle, history, isOpen }) => {
+  const closeModal = () => {
+    deleteServer(server);
+    toggle();
+    history.push('/');
+  };
+
+  return (
+    <Modal isOpen={isOpen} toggle={toggle} centered={true}>
+      <ModalHeader toggle={toggle}>Delete server</ModalHeader>
+      <ModalBody>Are you sure you want to delete server <b>{server ? server.name : ''}</b>.</ModalBody>
+      <ModalFooter>
+        <button className="btn btn-link" onClick={toggle}>Cancel</button>
+        <button className="btn btn-danger" onClick={() => closeModal()}>Delete</button>
+      </ModalFooter>
+    </Modal>
+  );
+};
+
+export default connect(null, { deleteServer })(DeleteServerModal);