Dashboard completed. Demo files added

src/layout/service/CustomerService.js

@@ -0,0 +1,25 @@
+export default class CustomerService {
+
+    getCustomersSmall() {
+        return fetch('data/customers-small.json').then(res => res.json()).then(d => d.data);
+    }
+  
+    getCustomersMedium() {
+        return fetch('data/customers-medium.json').then(res => res.json()).then(d => d.data);
+    }
+  
+    getCustomersLarge() {
+        return fetch('data/customers-large.json').then(res => res.json()).then(d => d.data);
+    }
+  
+    getCustomersXLarge() {
+        return fetch('data/customers-xlarge.json').then(res => res.json()).then(d => d.data);
+    }
+  
+    getCustomers(params) {
+        const queryParams = Object.keys(params).map(k => encodeURIComponent(k) + '=' + encodeURIComponent(params[k])).join('&');
+        return fetch('https://www.primefaces.org/data/customers?' + queryParams).then(res => res.json())
+    }
+    
+}
+