[Feature] Allow an array for content loader resource type field to allow querying all assets

# **Feature Request**

## **Is your feature request related to a problem? Please describe.**

Make it easier to utilize content from a single folder by allowing an array of resource types

## **Describe the solution you'd like**

Instead of

```
photos: defineCollection({
loader: cldAssetsLoader({
folder: "collection",
}),
}),
videos: defineCollection({
loader: cldAssetsLoader({
folder: "collection",
resourceType: "video",
}),
}),
```

Allow

```
assets: defineCollection({
loader: cldAssetsLoader({
folder: "collection",
resourceType: ['image', 'video']
}),
}),
```