chore: add missing dep

Author: RomanHotsiy

package-lock.json

@@ -19,6 +19,7 @@
     "ejs": "^2.6.1",
     "inquirer": "^6.2.1",
     "js-yaml": "^3.13.1",
+    "lodash.isequal": "^4.5.0",
     "mkdirp": "^0.5.1",
     "openapi-template": "^1.0.0",
     "slugify": "^1.3.3",