Fix dead link and config fname (#912)

### Prerequisites

- [x] This pull request fixes a bug.
- [ ] This pull request adds a feature.
- [ ] This pull request introduces breaking change.

### Description

Dead link in the readme.

README.md

@@ -26,7 +26,7 @@ See [here](https://hugo-coder.netlify.app/).
 ## Quick Start
 
 1. Add the repository into your Hugo Project repository as a submodule, `git submodule add https://github.com/luizdepra/hugo-coder.git themes/hugo-coder`.
-2. Configure your `config.toml`. You can either use [this minimal configuration](https://github.com/luizdepra/hugo-coder/blob/main/docs/configurations.md#complete-example) as a base, or look for a complete explanation about all configurations [here](https://github.com/luizdepra/hugo-coder/blob/main/docs/configurations.md). The [`config.toml`](https://github.com/luizdepra/hugo-coder/blob/master/exampleSite/config.toml) inside the [`exampleSite`](https://github.com/luizdepra/hugo-coder/tree/master/exampleSite) is also a good reference.
+2. Configure your `hugo.toml`. You can either use [this minimal configuration](https://github.com/luizdepra/hugo-coder/blob/main/docs/configurations.md#complete-example) as a base, or look for a complete explanation about all configurations [here](https://github.com/luizdepra/hugo-coder/blob/main/docs/configurations.md). The [`hugo.toml`](https://github.com/luizdepra/hugo-coder/blob/master/exampleSite/hugo.toml) inside the [`exampleSite`](https://github.com/luizdepra/hugo-coder/tree/master/exampleSite) is also a good reference.
 3. Build your site with `hugo server` and see the result at `http://localhost:1313/`.
 
 ## Documentation