feat: Implement dees-statsgrid in DCRouter UI for enhanced stats visualization

- Added new readme.statsgrid.md outlining the implementation plan for dees-statsgrid component.
- Replaced custom stats cards in ops-view-overview.ts and ops-view-network.ts with dees-statsgrid for better visualization.
- Introduced consistent color scheme for success, warning, error, and info states.
- Enhanced interactive features including click actions, context menus, and real-time updates.
- Developed ops-view-emails.ts for email management with features like composing, searching, and viewing emails.
- Integrated mock data generation for emails and network requests to facilitate testing.
- Added responsive design elements and improved UI consistency across components.

ts_web/elements/ops-dashboard.ts

@@ -13,7 +13,8 @@ import {
 
 // Import view components
 import { OpsViewOverview } from './ops-view-overview.js';
-import { OpsViewStats } from './ops-view-stats.js';
+import { OpsViewNetwork } from './ops-view-network.js';
+import { OpsViewEmails } from './ops-view-emails.js';
 import { OpsViewLogs } from './ops-view-logs.js';
 import { OpsViewConfig } from './ops-view-config.js';
 import { OpsViewSecurity } from './ops-view-security.js';
@@ -84,8 +85,12 @@ export class OpsDashboard extends DeesElement {
                 element: OpsViewOverview,
               },
               {
-                name: 'Statistics',
-                element: OpsViewStats,
+                name: 'Network',
+                element: OpsViewNetwork,
+              },
+              {
+                name: 'Emails',
+                element: OpsViewEmails,
               },
               {
                 name: 'Logs',