Moved everything out of internal

api/urlbuilders/studio.go

@@ -0,0 +1,19 @@
+package urlbuilders
+
+import "strconv"
+
+type studioURLBuilder struct {
+	BaseURL string
+	StudioID string
+}
+
+func NewStudioURLBuilder(baseURL string, studioID int) studioURLBuilder {
+	return studioURLBuilder{
+		BaseURL: baseURL,
+		StudioID: strconv.Itoa(studioID),
+	}
+}
+
+func (b studioURLBuilder) GetStudioImageUrl() string {
+	return b.BaseURL + "/studio/" + b.StudioID + "/image"
+}