init: 初始化项目

README.md

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+# Hyperf Development Kit Core
+
+The Common HDK for Any project by Hyperf.
+
+## PHP Versions
+
+This version will work on Hyperf version 2.2 and above.
+
+## Getting Started
+
+PHP 8.0 or above and Composer is expected to be installed on our system.
+
+### Installing Composer
+
+For instructions on how to install Composer visit [getcomposer.org](https://getcomposer.org/download/).
+
+### Installing
+
+After cloning this repository, change into the newly created directory and run
+
+```bash
+composer install
+```
+
+or if you have installed Composer locally in your current directory
+
+```bash
+php composer.phar install
+```
+
+This will install all dependencies needed for the project.
+
+## Running the Tests
+
+All tests can be run by executing
+
+```bash
+vendor/bin/phpunit
+```
+
+`phpunit` will automatically find all tests inside the `test` directory and run them based on the configuration in the `phpunit.xml` file.
+
+### Testing Approach
+
+The test for the class `Greeting` verifies that the return value of the `sayHello` method returns the string "Hello {name}", where {name} is the value passed through to the constructor.
+
+## Running the Application
+
+PHP has an in-built server for local development. This can be started by executing
+
+```
+php -S localhost:8000 -t public
+```
+
+Then open your browser at `http://localhost:8000/example.php`
+
+You should see the text "Hello Ada Lovelace" on your screen.
+
+## Built With
+
+  - [PHP](https://secure.php.net/)
+  - [Composer](https://getcomposer.org/)
+  - [PHPUnit](https://phpunit.de/)
+
+## License
+
+This project is licensed under the MIT License - see the [LICENCE.md](LICENCE.md) file for details.