refactor(backend): 拆分 Wire ProviderSet

backend/internal/config/wire.go

@@ -0,0 +1,13 @@
+package config
+
+import "github.com/google/wire"
+
+// ProviderSet 提供配置层的依赖
+var ProviderSet = wire.NewSet(
+	ProvideConfig,
+)
+
+// ProvideConfig 提供应用配置
+func ProvideConfig() (*Config, error) {
+	return Load()
+}