feat: Add CMS context, hooks, and types for managing CMS data

- Implemented CmsContext and CmsProvider for global state management of CMS data.
- Created a custom hook `useGetCms` to fetch CMS data using React Query.
- Defined TypeScript interfaces for CMS response and its related data structures.
- Added error handling for data fetching in both the service and context.

app/marketing/layout.tsx

@@ -136,7 +136,7 @@ export default async function RootLayout({
 
           <FooterForm />
 
-          <div className="relative z-10 container px-4 py-4 m-auto flex flex-col justify-center items-center mt-96 ">
+          <div className="relative z-10 container px-4 py-4 m-auto flex flex-col justify-center items-center mt-80 ">
             <div className="flex justify-between flex-col lg:flex-row gap-14 w-full lg:w-1/2">
               <div className="flex flex-col gap-10">
                 <Image