added next-intl, composed next-auth and next-intl in middleware, fixed some bugs, completed details page, added google auth

lib/next-auth.d.ts

@@ -4,7 +4,13 @@ declare module "next-auth" {
   interface Session {
     refresh_token: string;
     access_token: string;
-    expires_in: string;
+    expires_in?: string;
+  }
+
+  interface User {
+    refresh_token: string;
+    access_token: string;
+    expires_in?: string;
   }
 }
 
@@ -14,6 +20,6 @@ declare module "next-auth/jwt" {
   interface JWT {
     refresh_token: string;
     access_token: string;
-    expires_in: string;
+    expires_in?: string;
   }
 }