feat: add import info from alr-repo.toml

pkg/types/repo.go

@@ -22,6 +22,9 @@ package types
 // RepoConfig represents a ALR repo's alr-repo.toml file.
 type RepoConfig struct {
 	Repo struct {
-		MinVersion string `toml:"minVersion"`
+		MinVersion string   `toml:"minVersion"`
+		URL        string   `toml:"url"`
+		Ref        string   `toml:"ref"`
+		Mirrors    []string `toml:"mirrors"`
 	}
 }