feat(api/models): rename to providers, use new model registry

src/app/api/providers/route.ts

@@ -0,0 +1,28 @@
+import ModelRegistry from '@/lib/models/registry';
+
+export const GET = async (req: Request) => {
+  try {
+    const registry = new ModelRegistry();
+
+    const activeProviders = await registry.getActiveProviders();
+
+    return Response.json(
+      {
+        providers: activeProviders,
+      },
+      {
+        status: 200,
+      },
+    );
+  } catch (err) {
+    console.error('An error occurred while fetching providers', err);
+    return Response.json(
+      {
+        message: 'An error has occurred.',
+      },
+      {
+        status: 500,
+      },
+    );
+  }
+};