feat: add mapped ALPR cameras with bounded source loading

Adapt the ALPR camera contribution to reusable layer components, retaining source attribution, bounded queries, selection and voice controls.

Co-authored-by: Bilawal Sidhu <[email protected]>

src/data/alprCameras.js

@@ -0,0 +1,13 @@
+import {
+  createAlprCamerasLayer,
+  createOverpassAlprSource,
+} from '../layers/alpr/index.js';
+import * as render from '../renderGovernor.js';
+import * as context from './contextStore.js';
+import * as picking from './pickRegistry.js';
+import * as groundFloor from './groundFloor.js';
+export * from '../layers/alpr/index.js';
+export default createAlprCamerasLayer({
+  source: createOverpassAlprSource(),
+  services: { render, context, picking, groundFloor },
+});