feat: add google_fonts package and update text styles in shader viewer and main app theme

Author: orestesgaolin

lib/main.dart

@@ -2,6 +2,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_web_plugins/url_strategy.dart';
 import 'package:go_router/go_router.dart';
+import 'package:google_fonts/google_fonts.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 import 'package:shaders/widgets/widgets.dart';
 
@@ -174,6 +175,11 @@ class _RgbGlitchDemoState extends State<RgbGlitchDemo> {
   Widget build(BuildContext context) {
     return ShadApp.custom(
       themeMode: ThemeMode.light,
+      theme: ShadThemeData(
+        colorScheme: ShadGrayColorScheme.light(),
+        brightness: Brightness.light,
+        textTheme: ShadTextTheme.fromGoogleFont(GoogleFonts.poppins),
+      ),
 
       appBuilder: (context) {
         return MaterialApp.router(

lib/shader_source_viewer.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:google_fonts/google_fonts.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 
 class ShaderSourceViewer extends StatefulWidget {
@@ -79,11 +80,9 @@ class _ShaderSourceViewerState extends State<ShaderSourceViewer> {
                   )
                 : SelectableText(
                     _sourceCode!,
-                    style: const TextStyle(
-                      fontFamily: 'GeistMono',
-                      fontFamilyFallback: <String>['Courier'],
-                      fontSize: 12,
-                      color: Color.fromARGB(255, 55, 113, 57),
+                    style: GoogleFonts.spaceMono(
+                      fontSize: 14,
+                      color: const Color.fromARGB(255, 33, 77, 34)
                     ),
                   ),
           ),

pubspec.lock

@@ -165,6 +165,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "14.8.1"
+  google_fonts:
+    dependency: "direct main"
+    description:
+      name: google_fonts
+      sha256: b1ac0fe2832c9cc95e5e88b57d627c5e68c223b9657f4b96e1487aa9098c7b82
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.2.1"
   http:
     dependency: transitive
     description:

pubspec.yaml

@@ -20,6 +20,7 @@ dependencies:
   path: ^1.9.1
   shadcn_ui: ^0.28.1
   url_launcher: ^6.3.2
+  google_fonts: ^6.2.1
 
 dev_dependencies:
   flutter_test: