fix: add debug logging

package.json

@@ -27,6 +27,7 @@
   },
   "devDependencies": {
     "@continuous-auth/semantic-release-npm": "^2.0.0",
+    "@types/debug": "^4.1.5",
     "@types/fs-extra": "^9.0.4",
     "@types/node": "^14.14.7",
     "husky": "^4.3.0",
@@ -38,6 +39,7 @@
   "dependencies": {
     "@malept/cross-spawn-promise": "^1.1.0",
     "asar": "^3.0.3",
+    "debug": "^4.3.1",
     "dir-compare": "^2.4.0",
     "fs-extra": "^9.0.1"
   },