chore(build): Refine build parameters for dist-custom-elements

It makes most sense for the openHPI application to automatically
define all elements of the video player when importing it.

All components of the player are needed anyway.

Also, we bundle the Stencil runtime to avoid additional dependencies
when using the web component in other applications.

Author: christophblessing

stencil.config.ts

@@ -9,7 +9,12 @@ export const config: Config = {
   plugins: [sass(), postcss({ plugins: [autoprefixer()] })],
   buildEs5: 'prod',
   outputTargets: [
-    { type: 'dist-custom-elements' },
+    {
+      type: 'dist-custom-elements',
+      customElementsExportBehavior: 'bundle',
+      externalRuntime: false,
+      generateTypeDeclarations: true,
+    },
     { type: 'dist', esmLoaderPath: '../loader' },
     {
       type: 'docs-readme',