Move extra pub in main pub

frontend/.gitignore

@@ -31,4 +31,4 @@ vendor/
 .fvm/flutter_sdk
 runConfigurations.xml
 
-lib/build_config.dart
+lib/build_config/build_config.dart

frontend/build.yaml

@@ -1,5 +1,20 @@
 # Read about `build.yaml` at https://pub.dev/packages/build_config
 
+builders:
+  # name of the builder
+  df_build_config:
+    # library URI containing the builder
+    import: "package:ehrenamtskarte/build_config/builder.dart"
+    # Name of the function in the above library to call.
+    builder_factories: ["configBuilder"]
+    # The mapping from the source extension to the generated file extension
+    build_extensions: {".yaml": [".dart"]}
+    # Will automatically run on any package that depends on it
+    auto_apply: root_package
+    # Generate the output to a hidden cache dir
+    build_to: source
+    applies_builders: []
+
 
 targets:
   $default:
@@ -8,9 +23,9 @@ targets:
       - lib/$lib$
       - graphql_queries/**
       - schema.graphql
-      - lib/build_config.yaml
+      - lib/build_config/build_config.yaml
     builders:
-      df_build_config:
+      ehrenamtskarte|df_build_config:
         generate_for:
           include: 
             - "**/*.yaml"

frontend/lib/app.dart

@@ -1,4 +1,4 @@
-import 'package:ehrenamtskarte/build_config.dart';
+import 'package:ehrenamtskarte/build_config/build_config.dart';
 import 'package:ehrenamtskarte/configuration/settings_model.dart';
 import 'package:ehrenamtskarte/entry_widget.dart';
 import 'package:ehrenamtskarte/graphql/configured_graphql_provider.dart';

frontend/lib/build_config/builder.dart

@@ -0,0 +1,17 @@
+import 'dart:async';
+
+import 'package:build/build.dart';
+
+class MyBuilder extends Builder {
+  @override
+  FutureOr<void> build(BuildStep buildStep) {
+    buildStep.writeAsString(buildStep.allowedOutputs.first,  "class Test {}\n");
+  }
+
+  @override
+  Map<String, List<String>> get buildExtensions => {".yaml": [".dart"]};
+}
+
+Builder configBuilder(BuilderOptions options) {
+  return MyBuilder();
+}