added supporting of @var variables. The @var annotation has the same functionality as the @val except 'final' modifier.

test/transform/resource/before/VarModifier.java

@@ -0,0 +1,10 @@
+import lombok.var;
+
+public class VarModifier {
+	private String field = "";
+
+	public void testComplex() {
+		final var shouldBeFinalCharArray = field.toCharArray();
+		var shouldBeCharArray = field.toCharArray();
+	}
+}