chore: initialize project using ramsey/php-library-starter-kit

phpunit.xml.dist

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="./vendor/autoload.php"
+         cacheResultFile="./build/cache/phpunit.result.cache"
+         colors="true"
+         verbose="true">
+
+    <testsuites>
+        <testsuite name="unit-tests">
+            <directory>./tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">./src</directory>
+        </include>
+    </coverage>
+
+</phpunit>