Uploading the design of the project in README.md

Author: NikolaiProgramist

README.md

@@ -1,7 +1,38 @@
-### Hexlet tests and linter status:
+# Differ
+
 [![Actions Status](https://github.com/NikolaiProgramist/php-project-48/actions/workflows/hexlet-check.yml/badge.svg)](https://github.com/NikolaiProgramist/php-project-48/actions) [![tests-check](https://github.com/NikolaiProgramist/php-project-48/actions/workflows/tests-check.yml/badge.svg)](https://github.com/NikolaiProgramist/php-project-48/actions/workflows/tests-check.yml) [![Maintainability](https://api.codeclimate.com/v1/badges/b070d4d02aad3ce48e32/maintainability)](https://codeclimate.com/github/NikolaiProgramist/php-project-48/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/b070d4d02aad3ce48e32/test_coverage)](https://codeclimate.com/github/NikolaiProgramist/php-project-48/test_coverage)
 
-### Asciinema:
+## About
+
+This project is a console utility that finds the difference between two files.
+This utility can work with such data formats as: **JSON**, **YAML**, **YML**.
+You can also see the comparison result in different output formats, for example: **stylish**, **plain**, **json**.
+The default output format is **stylish**.
+If the files do not exist, the utility will notify you about it.
+
+## Prerequisites
+
++ Linux, MacOS, WSL
++ PHP >=8.3
++ Composer
++ Make
++ Git
+
+## Install
+
+```bash
+git clone https://github.com/NikolaiProgramist/php-project-48.git
+cd php-project-48
+make install
+```
+
+## Run
+
+```bash
+php bin/gendiff --format=stylish file1.json file2.json
+```
+
+## Examples in asciinema:
 
 #### JSON