Fix build_sdk.sh

Fixed a typo (aarch64 -> x86)
Since I was here : Capitalized the OS names

frontend/scripts/build_sdk.sh

@@ -16,15 +16,14 @@ rustup show
 
 # TODO: Automatically exec the script base on the current system
 
-# for macos
+# for macOS
 cargo make --profile development-mac flowy-sdk-dev
 
-# for window
+# for Windows
 #cargo make --profile development-windows flowy-sdk-dev
 
-
-# for linux aarch64
+# for Linux x86
 #cargo make --profile development-linux-x86 flowy-sdk-dev
 
-# for linux aarch64
+# for Linux aarch64
 #cargo make --profile development-linux-aarch64 flowy-sdk-dev