faet(types): adapter registry to modular adapters

added an adapter registry to have a modular way to instntiate adapters for scalability

src/adapters/AdapterRegistry.ts

@@ -0,0 +1,37 @@
+/**
+ * dynamically map a name to an adapter and call instantiate it
+ *
+ * author: db123 at db
+ * creation: 29/4/2026
+ */
+
+import { AdapterAPI } from '../types';
+import { AdapterConfig } from '../types/AdapterAPI';
+
+type AdapterConstructor = new (
+  video: HTMLVideoElement,
+  options?: AdapterConfig
+) => AdapterAPI;
+
+export class AdapterRegistry {
+  private adapters: Map<string, AdapterConstructor> = new Map();
+
+  registerAdapter(type: string, constructor: AdapterConstructor): void {
+    this.adapters.set(type, constructor);
+  }
+
+  createAdapter(
+    type: string,
+    video: HTMLVideoElement,
+    options?: AdapterConfig
+  ): AdapterAPI {
+    if (!this.adapters.has(type)) {
+      throw new Error('Adapter not found in registry.' + type);
+    }
+    const construct = this.adapters.get(type);
+    if (!construct) {
+      throw new Error('Adapter does not have constructor.' + type);
+    }
+    return new construct(video, options);
+  }
+}