refactor: move example to docs file

hcloudimages/client_test.go

@@ -1,33 +0,0 @@
-package hcloudimages_test
-
-import (
-	"context"
-	"fmt"
-	"net/url"
-
-	"github.com/hetznercloud/hcloud-go/v2/hcloud"
-
-	"github.com/apricote/hcloud-upload-image/hcloudimages"
-)
-
-func ExampleClient_Upload() {
-	client := hcloudimages.NewClient(
-		hcloud.NewClient(hcloud.WithToken("<your token>")),
-	)
-
-	imageURL, err := url.Parse("https://example.com/disk-image.raw.bz2")
-	if err != nil {
-		panic(err)
-	}
-
-	image, err := client.Upload(context.TODO(), hcloudimages.UploadOptions{
-		ImageURL:         imageURL,
-		ImageCompression: hcloudimages.CompressionBZ2,
-		Architecture:     hcloud.ArchitectureX86,
-	})
-	if err != nil {
-		panic(err)
-	}
-
-	fmt.Printf("Uploaded Image: %d", image.ID)
-}