Use pure js mbtiles

Replace @signalk/node-mbtiles with the experimental,
Claude-coded version of mbtiles support that uses
Node's upcoming (but still experimental) node:sqlite
module for sqlite file access.

https://nodejs.org/api/sqlite.html
Added in: v22.5.0

Author: tkurki

package.json

@@ -30,7 +30,7 @@
     "email": "[email protected]"
   },
   "dependencies": {
-    "@mapbox/mbtiles": "^0.12.1",
+    "@signalk/node-mbtiles": "https://github.com/tkurki/node-mbtiles.git#use-node-sqlite",
     "@signalk/server-api": "^2.0.0",
     "bluebird": "3.5.1",
     "lodash": "^4.17.11",

src/@types/mapbox_mbtiles.d.ts

@@ -0,0 +1 @@
+declare module '@signalk/node-mbtiles'

src/@types/signalk_mbtiles.d.ts

@@ -1,6 +1,6 @@
 import * as bluebird from 'bluebird'
 import path from 'path'
-import MBTiles from '@mapbox/mbtiles'
+import MBTiles from '@signalk/node-mbtiles'
 import * as xml2js from 'xml2js'
 import { Dirent, promises as fs } from 'fs'
 import * as _ from 'lodash'