docs: Add library size details to README for clarity on app impact

Author: mashrulhaque

README.md

@@ -70,6 +70,22 @@ dotnet add package EasyAppDev.Blazor.Store
 
 **Requirements:** .NET 8.0 or higher • Blazor Server or WebAssembly
 
+### Library Size
+
+**Exceptionally lightweight** - Only **38 KB** (gzipped) added to your Blazor WebAssembly app:
+
+- 📦 **Uncompressed**: 94 KB DLL
+- 🗜️ **Gzipped**: ~38 KB (actual download size)
+- 📊 **App Impact**: ~0.1% of typical Blazor app size
+- 📉 **Dependencies**: Zero additional bytes (uses standard Blazor packages)
+
+**For perspective**: This is less than a typical logo image, yet you get:
+- Complete state management with reactive components
+- 5 async helpers (debounce, throttle, cache, async execution)
+- Redux DevTools integration
+- Persistence with LocalStorage/SessionStorage
+- Middleware system with diagnostics
+
 ---
 
 ## Required Services