fix: add debug logging

src/sha.ts

@@ -1,7 +1,9 @@
 import * as fs from 'fs-extra';
 import * as crypto from 'crypto';
+import { d } from './debug';
 
 export const sha = async (filePath: string) => {
+  d('hashing', filePath);
   const hash = crypto.createHash('sha256');
   const fileStream = fs.createReadStream(filePath);
   fileStream.pipe(hash);