Add prominent link to Google Fonts from icons documentation (#102808)

* Add prominent link to google fonts from icons

* Update icons.dart

* Update icons.dart

packages/flutter/lib/src/material/icons.dart

@@ -93,15 +93,16 @@ class PlatformAdaptiveIcons implements Icons {
   // END GENERATED PLATFORM ADAPTIVE ICONS
 }
 
-/// Identifiers for the supported Material Design icons.
+/// Identifiers for the supported [Material Icons](https://material.io/resources/icons).
 ///
-/// Use with the [Icon] class to show specific icons.
+/// Use with the [Icon] class to show specific icons. Icons are identified by
+/// their name as listed below, e.g. [Icons.airplanemode_on].
 ///
-/// Icons are identified by their name as listed below, e.g. [Icons.airplanemode_on].
+/// Search and find the perfect icon on the [Google Fonts](https://material.io/resources/icons) website.
 ///
 /// To use this class, make sure you set `uses-material-design: true` in your
 /// project's `pubspec.yaml` file in the `flutter` section. This ensures that
-/// the MaterialIcons font is included in your application. This font is used to
+/// the Material Icons font is included in your application. This font is used to
 /// display the icons. For example:
 ///
 /// ```yaml