This PR adds icon association for more Prettier's config files.

Here is the list:

```
.prettierrc.cjs
.prettierrc.js
.prettierrc.json5
.prettierrc.mjs
.prettierrc.toml
.prettierrc.yaml
.prettierrc.yml
prettier.config.cjs
prettier.config.js
prettier.config.mjs
```

Release Notes:

- Added icon support for additional Prettier config file types.