public function addApp(string $name, string $fqcn) : AviatorFile
    {
        $appName = strtolower($name);

        if (isset($this->apps[$appName])) {
            throw new \InvalidArgumentException("An app with the name '$appName' is already registered");
        }

        $this->apps[$appName] = $fqcn;

        return $this;
    }
public function addApp(string $name, string $fqcn) : AviatorFile
    {
        $appName = strtolower($name);

        if (isset($this->apps[$appName])) {
            throw new \InvalidArgumentException("An app with the name '$appName' is already registered");
        }

        $this->apps[$appName] = $fqcn;

        return $this;
    }
@param string $name
@param string $fqcn

@return AviatorFile