fix import error

index.js

@@ -1,5 +1,6 @@
 import * as server from './server.js';
 import * as lights from './lights.js';
+import * as fs from 'fs';
 
 const cfg = JSON.parse(fs.readFileSync('./config.json'));
 

lights.js

@@ -1,6 +1,6 @@
-import ws281x from 'rpi-ws281x'
-import * as fs from 'fs'
-import Logger, { levels } from './logger.js'
+import ws281x from 'rpi-ws281x';
+import * as fs from 'fs';
+import Logger, { levels } from './logger.js';
 
 const cfg = JSON.parse(fs.readFileSync('./config.json'));
 const log = new Logger("lights", cfg.log_level ? levels[cfg.log_level] : levels.INFO);