Impl prettier to project

- Add prettier json config
- Format project with prettier config
- Enable prettier in zed project settings

Signed-off-by: Asai Neko <sugar@sne.moe>

src/content.config.ts

@@ -3,5 +3,5 @@ import { docsLoader } from '@astrojs/starlight/loaders';
 import { docsSchema } from '@astrojs/starlight/schema';
 
 export const collections = {
-	docs: defineCollection({ loader: docsLoader(), schema: docsSchema() }),
+    docs: defineCollection({ loader: docsLoader(), schema: docsSchema() }),
 };