Addition of methods setHeaderOffset and setDelimiter

In this commit we add setHeaderOffset and setDelimiter to the CsvReader.
This will enable users to make use of the LeagueReader setters to change the offset and delimiter durig CSV reading

src/Reader/CsvReader.php

@@ -27,6 +27,16 @@ public static function createFromPath(string $path): CsvReader
         return new static(LeagueReader::createFromPath($path));
     }
 
+    public function setHeaderOffset(int $offset)
+    {
+        $this->reader->setHeaderOffset($offset);
+    }
+
+    public function setDelimiter(string $delimiter)
+    {
+        $this->reader->setDelimiter($delimiter);
+    }
+
     public function fetch(): Generator
     {
         foreach ($this->reader as $line) {