[BUG] Theme convertion

[Luis Fonseca]

Describe the bug
Error when trying to launch theme personalization

To Reproduce
Steps to reproduce the behavior:

1. Steps of documentation in https://louismazel.github.io/maz-ui/documentation/theme

Expected behavior
Create an SCSS file and populate CSS variables

Desktop (please complete the following information):

• OS: Windows 10 Pro
• Node 14.17.3
• Version 2.3.9

Additional context
Quick solution. Modify node_modules/maz-ui/bin/lib/index.js Line 54. Replace with configPath = path.resolve(process.cwd(), options.config ? options.config : './maz-ui.config.js'); Error appear when use process.env.PWD