Updated support for env var expansion

src/nvm.go

@@ -788,6 +788,7 @@ func setup() {
 	// Process each line and extract the value
 	for _, line := range lines {
 		line = strings.Trim(line, " \r\n")
+		line = os.ExpandEnv(line)
 		if strings.HasPrefix(line, "root:") {
 			env.root = filepath.Clean(strings.TrimSpace(regexp.MustCompile("^root:").ReplaceAllString(line, "")))
 		} else if strings.HasPrefix(line, "originalpath:") {