feat(theme,interfaces): Introduce a global theming system and unify menu/tab interfaces; migrate components to use themeDefaultStyles and update APIs accordingly

ts_web/elements/00group-chart/dees-chart-log/dees-chart-log.ts

@@ -10,6 +10,7 @@ import {
 
 import * as domtools from '@design.estate/dees-domtools';
 import { demoFunc } from './dees-chart-log.demo.js';
+import { themeDefaultStyles } from '../../00theme.js';
 
 
 declare global {
@@ -50,8 +51,10 @@ export class DeesChartLog extends DeesElement {
   }
 
   public static styles = [
+    themeDefaultStyles,
     cssManager.defaultStyles,
     css`
+      /* TODO: Migrate hardcoded values to --dees-* CSS variables */
       :host {
         font-family: 'SF Mono', 'Monaco', 'Consolas', 'Liberation Mono', 'Courier New', monospace;
         color: ${cssManager.bdTheme('hsl(0 0% 3.9%)', 'hsl(0 0% 98%)')};