docs: capitalize SDK consistently throughout README (#1803)

Co-authored-by: PaulyBearCoding <PaulyBearCoding@users.noreply.github.com>

Author: PaulyBearCoding

README.md

@@ -43,12 +43,12 @@ This monorepo contains the complete suite of Supabase JavaScript SDK:
 
 | Library | Description |
 | ---------------------------------------------------------- | ---------------------------------------- |
-| **[@supabase/supabase-js](./packages/core/supabase-js)** | Main isomorphic sdk for Supabase |
-| **[@supabase/auth-js](./packages/core/auth-js)** | Authentication sdk |
-| **[@supabase/postgrest-js](./packages/core/postgrest-js)** | PostgREST sdk for database operations |
-| **[@supabase/realtime-js](./packages/core/realtime-js)** | Real-time subscriptions sdk |
-| **[@supabase/storage-js](./packages/core/storage-js)** | File storage sdk |
-| **[@supabase/functions-js](./packages/core/functions-js)** | Edge Functions sdk |
+| **[@supabase/supabase-js](./packages/core/supabase-js)** | Main isomorphic SDK for Supabase |
+| **[@supabase/auth-js](./packages/core/auth-js)** | Authentication SDK |
+| **[@supabase/postgrest-js](./packages/core/postgrest-js)** | PostgREST SDK for database operations |
+| **[@supabase/realtime-js](./packages/core/realtime-js)** | Real-time subscriptions SDK |
+| **[@supabase/storage-js](./packages/core/storage-js)** | File storage SDK |
+| **[@supabase/functions-js](./packages/core/functions-js)** | Edge Functions SDK |
 
 > **💡 Note for Package Users:** If you install and use these packages, **nothing has changed**. Continue installing packages normally:
 >
@@ -150,12 +150,12 @@ npx nx test <package-name> --coverage
 
 ### API Documentation
 
-- **[Auth sdk](./packages/core/auth-js/README.md)** - Authentication and user management
-- **[Database sdk](./packages/core/postgrest-js/README.md)** - Database queries and operations
-- **[Realtime sdk](./packages/core/realtime-js/README.md)** - Real-time subscriptions
-- **[Storage sdk](./packages/core/storage-js/README.md)** - File upload and management
-- **[Functions sdk](./packages/core/functions-js/README.md)** - Edge Functions invocation
-- **[Main sdk](./packages/core/supabase-js/README.md)** - Combined sdk
+- **[Auth SDK](./packages/core/auth-js/README.md)** - Authentication and user management
+- **[Database SDK](./packages/core/postgrest-js/README.md)** - Database queries and operations
+- **[Realtime SDK](./packages/core/realtime-js/README.md)** - Real-time subscriptions
+- **[Storage SDK](./packages/core/storage-js/README.md)** - File upload and management
+- **[Functions SDK](./packages/core/functions-js/README.md)** - Edge Functions invocation
+- **[Main SDK](./packages/core/supabase-js/README.md)** - Combined SDK
 
 ### Architecture Documentation
 
@@ -197,12 +197,12 @@ Because provenance attestations are a new capability, security features may evol
 supabase-js/
 ├── packages/
 │ └── core/ # Published libraries
-│ ├── auth-js/ # Authentication sdk
-│ ├── functions-js/ # Edge Functions sdk
-│ ├── postgrest-js/ # PostgREST database sdk
-│ ├── realtime-js/ # Real-time subscriptions sdk
-│ ├── storage-js/ # File storage sdk
-│ └── supabase-js/ # Main isomorphic sdk
+│ ├── auth-js/ # Authentication SDK
+│ ├── functions-js/ # Edge Functions SDK
+│ ├── postgrest-js/ # PostgREST database SDK
+│ ├── realtime-js/ # Real-time subscriptions SDK
+│ ├── storage-js/ # File storage SDK
+│ └── supabase-js/ # Main isomorphic SDK
 ├── nx.json # npx nx workspace configuration
 ├── package.json # Root package.json and workspaces setup
 └── ...