feat: Add operations view components for logs, overview, security, and stats

- Implemented `ops-view-logs` for displaying and filtering logs with streaming capabilities.
- Created `ops-view-overview` to show server, email, DNS statistics, and charts.
- Developed `ops-view-security` for monitoring security metrics, blocked IPs, and authentication attempts.
- Added `ops-view-stats` to present comprehensive statistics on server, email, DNS, and security metrics.
- Introduced shared styles and components including `ops-sectionheading` for consistent UI.

ts_web/elements/shared/css.ts

@@ -0,0 +1,10 @@
+import { css } from '@design.estate/dees-element';
+
+export const viewHostCss = css`
+  :host {
+    display: block;
+    margin: auto;
+    max-width: 1280px;
+    padding: 16px 16px;
+  }
+`;