Update Mac AppStore Guide to support app names containing spaces (#3923)

* Update Mac AppStore Guide to support app names containing spaces

* Update changelog

* Add author

website/docs/guides/mac-appstore.mdx

@@ -81,9 +81,9 @@ wails build -platform darwin/universal -clean
 
 cp ./embedded.provisionprofile "./build/bin/$APP_NAME.app/Contents"
 
-codesign --timestamp --options=runtime -s "$APP_CERTIFICATE" -v --entitlements ./build/darwin/entitlements.plist ./build/bin/$APP_NAME.app
+codesign --timestamp --options=runtime -s "$APP_CERTIFICATE" -v --entitlements ./build/darwin/entitlements.plist "./build/bin/$APP_NAME.app"
 
-productbuild --sign "$PKG_CERTIFICATE" --component ./build/bin/$APP_NAME.app /Applications ./$APP_NAME.pkg
+productbuild --sign "$PKG_CERTIFICATE" --component "./build/bin/$APP_NAME.app" /Applications "./$APP_NAME.pkg"
 ```
 
 #### Upload App Bundle

website/src/pages/changelog.mdx

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Changed
 - Removed documentation references for 'The default module name in go.mod is "changeme". You should change this to something more appropriate.' as it appears to be no longer relevant.
+- Update script in Mac App Store guide to support app names containing spaces by @cristianrgreco
 
 ### Added
 - Added option to set window class name on Windows. Added in [PR](https://github.com/wailsapp/wails/pull/3828) by @APshenkin