fixing markers

server/airtraffic.mjs

@@ -1,11 +1,10 @@
 import { cfg }       from './config.mjs'
-import { writeFile, readFile } from 'fs/promises'
-import { existsSync } from 'fs'
+import { readFile } from 'fs/promises'
 import { resolve, dirname } from 'path'
 import { fileURLToPath }    from 'url'
 
 const DIR        = dirname(fileURLToPath(import.meta.url))
-const SHAPES_PATH = resolve(DIR, 'public', 'aircraft.js')
+const SHAPES_PATH = resolve(DIR, 'public', 'aircraft.json')
 
 export async function getShapes() {
 	JSON.parse(await readFile(SHAPES_PATH, 'utf8'))