Allow custom config file path

Hello there!

Now you can configure a custom path to your tailwind.config.js via bundle configuration.

What's Changed

• Trigger a build to see a random fail by @bocharsky-bw in #39
• Allowing a custom config_file relative to the project by @barbieswimcrew in #30

New Contributors

• @barbieswimcrew made their first contribution in #30

Full Changelog: v0.4.0...v0.5.0