Fix repo layout for package maintainers (#571)

* Do not ignore lexer subfolder for export as this contains source files and add smarty-lexer as a composer dev-dependency.
* Remove unit tests etc from archive export

Please note that the generated lexer / parser classes are not exactly equivalent, as they have been editing to conform to coding standards afterwards. I did a quick review and there don't seem to be any differences in semantics though.

1 files changed, 2 insertions, 1 deletions

diff --git a/composer.json b/composer.json
index 28c392c9..889cb944 100644
--- a/composer.json
+++ b/composer.json
@@ -40,6 +40,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "6.4.1"
+        "phpunit/phpunit": "6.4.1",
+        "smarty/smarty-lexer": "^3.1"
     }
 }