🔐 [feat] Add AWS credentials configuration

- Added AWS credential environment variables:
  - AWS_ACCESS_KEY_ID
  - AWS_SECRET_ACCESS_KEY
  - AWS_REGION
- Enables AWS service integration capabilities

worker-configuration.d.ts

@@ -3,4 +3,8 @@ interface Env {
   OPENAI_API_KEY: string;
   GROQ_API_KEY: string;
   OPEN_ROUTER_API_KEY: string;
+  GEMINI_API_KEY: string;
+  AWS_ACCESS_KEY_ID: string;
+  AWS_SECRET_ACCESS_KEY: string;
+  AWS_REGION: string;
 }