add mgconfig conversion to lib

cmd/paths/mrpaths.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/taigrr/mg/parse"
+)
+
+func main() {
+	mrconf, err := parse.LoadMRConfig()
+	if err != nil {
+		panic(err)
+	}
+	for _, path := range mrconf.GetRepoPaths() {
+		fmt.Println(path)
+	}
+}