refactor: 重构types包

pkg/types/plugin.go

@@ -0,0 +1,14 @@
+package types
+
+// Plugin 插件元数据结构
+type Plugin struct {
+	Name        string
+	Description string
+	Slug        string
+	Version     string
+	Requires    []string
+	Excludes    []string
+	Install     string
+	Uninstall   string
+	Update      string
+}