Merge pull request #7 from php-etl/feature/replace-function

Created a new replace function

Author: sebprt

src/StringExpressionLanguageProvider.php

@@ -20,6 +20,7 @@ public function getFunctions(): array
             ExpressionFunction::fromPhp('strtoupper', 'toUpperCase'),
             ExpressionFunction::fromPhp('number_format', 'formatNumber'),
             ExpressionFunction::fromPhp('strpos', 'indexOf'),
+            ExpressionFunction::fromPhp('str_replace', 'replace'),
             new FileName('fileName'),
             new DateTime('dateTime'),
             new FormatDate('formatDate'),