Improve app subscription functionality

Further integrate app management component with device mgt

components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.ui/react-app/src/pages/dashboard/apps/Apps-old.js

@@ -0,0 +1,60 @@
+import React from "react";
+import "antd/dist/antd.css";
+import {PageHeader, Typography,Input, Button, Row, Col} from "antd";
+import AppList from "../../../components/apps/AppList";
+import ReleaseModal from "../../../components/apps/ReleaseModal";
+
+const Search = Input.Search;
+
+const routes = [
+    {
+        path: 'index',
+        breadcrumbName: 'Publisher',
+    },
+    {
+        path: 'first',
+        breadcrumbName: 'Dashboard',
+    },
+    {
+        path: 'second',
+        breadcrumbName: 'Apps',
+    },
+];
+
+
+class Apps extends React.Component {
+    routes;
+    constructor(props) {
+        super(props);
+        this.routes = props.routes;
+
+    }
+
+    render() {
+        return (
+            <div>
+                <PageHeader
+                    breadcrumb={{routes}}
+                />
+                <div style={{background: '#f0f2f5', padding: 24, minHeight: 780}}>
+                    <Row style={{padding:10}}>
+                        <Col span={6} offset={18}>
+                            <Search
+                                placeholder="search"
+                                onSearch={value => console.log(value)}
+                                style={{ width: 200}}
+                            />
+                            <Button style={{margin:5}}>Advanced Search</Button>
+                        </Col>
+                    </Row>
+                    <ReleaseModal/>
+                    <AppList/>
+                </div>
+
+            </div>
+
+        );
+    }
+}
+
+export default Apps;