Document typo mistake

[tranvansang]

In short:

https://webpack.js.org/loaders/css-loader/#exportlocalsconvention

Current: exportlocalsConvention
Expected: exportLocalsConvention (L should be uppercased)

migrated from webpack/webpack#11365

[alexander-akait]

Thanks, feel free to send a PR

[tranvansang]

@evilebottnawi can you tell me where the docs source code is?

[tranvansang]

Oh. I found it here

https://github.com/webpack/webpack.js.org