TRY: WASM build and deploy to Netlify with TOML file present

Also update site url used for link to config.

Author: rydmike

.github/workflows/deploy_playground_netlify.yml

@@ -2,7 +2,7 @@
 #
 # This workflow:
 #  - Installs dart and flutter
-#  - Uses latest flutter stable channel.
+#  - Uses the latest flutter stable channel.
 #    Consider setting up a matrix later with beta and dev included too.
 #  - Enables flutter web
 #  - Gets package dependencies

example/lib/shared/const/app.dart

@@ -57,8 +57,7 @@ sealed class App {
   static const String author = 'Mike Rydstrom';
   static const String license = 'BSD 3-Clause License';
   static const String icon = 'assets/images/app_icon.png';
-  static const String playgroundURL =
-      'https://rydmike.com/flexcolorscheme/themesplayground-dev/';
+  static const String playgroundURL = 'https://playground.flexcolorscheme.com/';
   static final Uri packageUri = Uri(
     scheme: 'https',
     host: 'pub.dev',

netlify.toml

@@ -0,0 +1,38 @@
+[[
+headers
+]]
+for = "/*"
+[
+headers.values
+]
+Cross-Origin-Embedder-Policy = "require-corp"
+Cross-Origin-Opener-Policy = "same-origin"
+
+[[
+headers
+]]
+for = "/*.wasm"
+[
+headers.values
+]
+Content-Type = "application/wasm"
+
+[[
+headers
+]]
+for = "/main.dart.js"
+[
+headers.values
+]
+Cross-Origin-Embedder-Policy = "require-corp"
+Cross-Origin-Opener-Policy = "same-origin"
+
+[[
+headers
+]]
+for = "/flutter.js"
+[
+headers.values
+]
+Cross-Origin-Embedder-Policy = "require-corp"
+Cross-Origin-Opener-Policy = "same-origin"