Implement @mediabunny/prores extension, add onError callbacks to custom coders, fix visibleRect bug in VideoSample

vite.config.ts

@@ -25,6 +25,8 @@ export default defineConfig({
 				path.resolve(__dirname, './packages/aac-encoder/dist/bundles/mediabunny-aac-encoder.mjs'),
 			'@mediabunny/flac-encoder':
 				path.resolve(__dirname, './packages/flac-encoder/dist/bundles/mediabunny-flac-encoder.mjs'),
+			'@mediabunny/prores':
+				path.resolve(__dirname, './packages/prores/dist/bundles/mediabunny-prores.mjs'),
 		},
 	},
 	plugins: [
@@ -33,6 +35,10 @@ export default defineConfig({
 	server: {
 		hmr: false,
 		allowedHosts: true,
+		headers: {
+			'Cross-Origin-Opener-Policy': 'same-origin',
+			'Cross-Origin-Embedder-Policy': 'require-corp',
+		},
 	},
 	build: {
 		outDir: 'dist-docs', // Build them directly into the docs build folder