feat: add a license plate reader camera tool

Add find_alpr_cameras over the layer's OpenStreetMap camera extracts:
cameras in a US or Canadian area of at most 3° per side, nearest first,
with operator, manufacturer and facing direction, and the source's
attribution. Areas outside coverage or too wide are reported.

src/tools/index.js

@@ -35,6 +35,7 @@ import {
 } from './queries/mobility.js';
 import { placesNearby, planRoute, searchPlaces } from './queries/places.js';
 import { openInGodsEyeView } from './queries/share.js';
+import { findAlprCameras } from './queries/surveillance.js';
 import {
   findCctvCameras,
   findRadioStations,
@@ -83,6 +84,7 @@ export const coreTools = Object.freeze([
   satellitesOverhead,
   findCctvCameras,
   getCctvSnapshot,
+  findAlprCameras,
   findRadioStations,
   searchPlaces,
   placesNearby,