fix: made type in config required

throws error if not present

src/core/VideoPlayer.ts

@@ -26,6 +26,9 @@ export class VP {
     this.video = this.videoElement(video);
     this.videoSrc = this.video?.querySelectorAll<HTMLSourceElement>("source");
 
+    if (!this.config.type) {
+      throw new Error("Type not specified in config.");
+    }
     this.adapter = this.adapterInit(this.config.type);
 
     if (config.controls) {