feat(opsserver): introduce OpsServer (TypedRequest API) and new lightweight web UI; replace legacy Angular UI and add typed interfaces

ts_web/elements/shared/ob-sectionheading.ts

@@ -0,0 +1,37 @@
+import {
+  DeesElement,
+  customElement,
+  html,
+  css,
+  cssManager,
+  type TemplateResult,
+} from '@design.estate/dees-element';
+
+@customElement('ob-sectionheading')
+export class ObSectionHeading extends DeesElement {
+  public static styles = [
+    cssManager.defaultStyles,
+    css`
+      :host {
+        display: block;
+        margin-bottom: 24px;
+      }
+      .heading {
+        font-family: 'Cal Sans', 'Inter', sans-serif;
+        font-size: 28px;
+        font-weight: 600;
+        color: ${cssManager.bdTheme('#111', '#fff')};
+        margin: 0;
+        padding: 0;
+      }
+    `,
+  ];
+
+  public render(): TemplateResult {
+    return html`
+      <h1 class="heading">
+        <slot></slot>
+      </h1>
+    `;
+  }
+}