[wiki migration] Add static images for flutter/flutter/docs/ (#246)

Author: Piinks

assets/wiki/README.md

@@ -0,0 +1,2 @@
+Assets in this directory are used in the flutter/flutter/docs/ wiki pages,
+pertaining to infrastructure and contributing guidelines.

assets/wiki/cros-lint-rules-sample-results.png

@@ -5,7 +5,7 @@
 import FlutterMacOS
 import Foundation
 
-import path_provider_foundation
+import path_provider_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))

assets/wiki/formatting_settings.png

@@ -259,7 +259,7 @@ class _TestTappableDiagramState extends State<TestTappableDiagram> {
     return TextButton(
       style: ButtonStyle(
         backgroundColor:
-            MaterialStateProperty.all<Color?>(on ? Colors.red : Colors.blue),
+            WidgetStateProperty.all<Color?>(on ? Colors.red : Colors.blue),
       ),
       onPressed: () {
         setState(() {

assets/wiki/luci_infra_failure_overview.png

@@ -5,7 +5,7 @@
 import FlutterMacOS
 import Foundation
 
-import path_provider_foundation
+import path_provider_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))

assets/wiki/luci_post_submit_infra_failure.png

@@ -8,6 +8,8 @@ import 'package:flutter/material.dart';
 
 import 'diagram_step.dart';
 
+// ignore_for_file: deprecated_member_use, https://github.com/flutter/flutter/issues/148709
+
 class CardDiagram extends StatelessWidget with DiagramMetadata {
   const CardDiagram({super.key});
 

assets/wiki/luci_post_submit_rerun.png

@@ -174,7 +174,6 @@ class AnimatedPhysicalModelDiagram
             elevation: selected ? 20.0 : 0.0,
             shadowColor: Colors.grey,
             borderRadius: selected ? selectedBorder : unselectedBorder,
-            shape: BoxShape.rectangle,
             duration: _kAnimationDuration,
             curve: curve,
             child: Container(color: Colors.blue),

assets/wiki/luci_post_submit_test_failure.png

@@ -98,6 +98,9 @@ class FileSystemResourceProvider implements ResourceProvider {
       return true;
     }());
   }
+
+  @override
+  Link getLink(String path) => throw UnimplementedError();
 }
 
 /// A `dart:io` based implementation of [File].