fix(prettier): white space in mdx files

.prettierrc.json

@@ -14,7 +14,7 @@
 	"trailingComma": "es5",
 	"overrides": [
 		{
-			"files": "*.md",
+			"files": ["*.md", "*.mdx"],
 			"options": {
 				"singleQuote": false,
 				"tabWidth": 2

src/pages/colophon.mdx

@@ -4,7 +4,7 @@ title: Colophon
 intro: In publishing, a colophon is a brief statement containing information about the publication.
 ---
 
-import { mapping } from '../mdx-components.ts';
+import { mapping } from "../mdx-components.ts";
 export const components = mapping;
 
 The source code of this website is available on [GitHub](https://github.com/kogakure/website-astro-stefanimhoff.de). You are welcome to learn from the source code and reuse code for your projects. Don’t steal it. Learn from it. Remix. Reuse. Build your own things. 🤘

src/pages/now.mdx

@@ -3,7 +3,7 @@ layout: ../layouts/PageLayout.astro
 title: Now
 ---
 
-import { mapping } from '../mdx-components.ts';
+import { mapping } from "../mdx-components.ts";
 export const components = mapping;
 
 This is my [Now](https://nownownow.com/) page, an idea by [Derek Silvers](https://sive.rs/) for a website with the focus of <q>what this person is focused on at this point in their life.</q>