Cant install - Githubissues

Hello, when i try to install it i get these errors, anyone knows how to fix (im new to composer)

$composer require edamov/pushok

Using version ^0.11.2 for edamov/pushok ./composer.json has been created Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages.

Problem 1

Installation request for edamov/pushok ^0.11.2 -> satisfiable by edamov/pushok[0.11.2].
edamov/pushok 0.11.2 requires ext-intl * -> the requested PHP extension intl is missing from your system.

To enable extensions, verify that they are enabled in your .ini files:
/etc/php/7.2/cli/php.ini
/etc/php/7.2/cli/conf.d/10-mysqlnd.ini
/etc/php/7.2/cli/conf.d/10-opcache.ini
/etc/php/7.2/cli/conf.d/10-pdo.ini
/etc/php/7.2/cli/conf.d/15-xml.ini
/etc/php/7.2/cli/conf.d/20-bz2.ini
/etc/php/7.2/cli/conf.d/20-calendar.ini
/etc/php/7.2/cli/conf.d/20-ctype.ini
/etc/php/7.2/cli/conf.d/20-curl.ini
/etc/php/7.2/cli/conf.d/20-dom.ini
/etc/php/7.2/cli/conf.d/20-exif.ini
/etc/php/7.2/cli/conf.d/20-fileinfo.ini
/etc/php/7.2/cli/conf.d/20-ftp.ini
/etc/php/7.2/cli/conf.d/20-gd.ini
/etc/php/7.2/cli/conf.d/20-gettext.ini
/etc/php/7.2/cli/conf.d/20-iconv.ini
/etc/php/7.2/cli/conf.d/20-json.ini
/etc/php/7.2/cli/conf.d/20-mbstring.ini
/etc/php/7.2/cli/conf.d/20-mysqli.ini
/etc/php/7.2/cli/conf.d/20-pdo_mysql.ini
/etc/php/7.2/cli/conf.d/20-phar.ini
/etc/php/7.2/cli/conf.d/20-posix.ini
/etc/php/7.2/cli/conf.d/20-readline.ini
/etc/php/7.2/cli/conf.d/20-shmop.ini
/etc/php/7.2/cli/conf.d/20-simplexml.ini
/etc/php/7.2/cli/conf.d/20-sockets.ini
/etc/php/7.2/cli/conf.d/20-sysvmsg.ini
/etc/php/7.2/cli/conf.d/20-sysvsem.ini
/etc/php/7.2/cli/conf.d/20-sysvshm.ini
/etc/php/7.2/cli/conf.d/20-tokenizer.ini
/etc/php/7.2/cli/conf.d/20-wddx.ini
/etc/php/7.2/cli/conf.d/20-xmlreader.ini
/etc/php/7.2/cli/conf.d/20-xmlwriter.ini
/etc/php/7.2/cli/conf.d/20-xsl.ini
/etc/php/7.2/cli/conf.d/20-zip.ini You can also run php --ini inside terminal to see which files are used by PHP in CLI mode.

Installation failed, deleting ./composer.json.

edamov / pushok

Cant install #111