Add LN node per country graph

frontend/src/app/graphs/graphs.routing.module.ts

@@ -21,6 +21,7 @@ import { DashboardComponent } from '../dashboard/dashboard.component';
 import { NodesNetworksChartComponent } from '../lightning/nodes-networks-chart/nodes-networks-chart.component';
 import { LightningStatisticsChartComponent } from '../lightning/statistics-chart/lightning-statistics-chart.component';
 import { NodesPerISPChartComponent } from '../lightning/nodes-per-isp-chart/nodes-per-isp-chart.component';
+import { NodesPerCountryChartComponent } from '../lightning/nodes-per-country-chart/nodes-per-country-chart.component';
 
 const browserWindow = window || {};
 // @ts-ignore
@@ -104,6 +105,10 @@ const routes: Routes = [
             path: 'lightning/nodes-per-isp',
             component: NodesPerISPChartComponent,
           },
+          {
+            path: 'lightning/nodes-per-country',
+            component: NodesPerCountryChartComponent,
+          },
           {
             path: '',
             redirectTo: 'mempool',