Revert #80 because this is a skeleton project

.gitattributes

@@ -27,20 +27,3 @@ docs/* linguist-documentation
 *.ttf binary
 *.woff binary
 *.woff2 binary
-
-# Exclude testing files from distribution
-/.github export-ignore
-/tests export-ignore
-LICENSE export-ignore
-docker-compose.yml export-ignore
-.gitattributes export-ignore
-.gitignore export-ignore
-.scrutinizer.yml export-ignore
-.travis.yml export-ignore
-phpcs.xml export-ignore
-phpstan.neon export-ignore
-phpunit.xml export-ignore
-.editorconfig export-ignore
-build.xml export-ignore
-.sonarcloud.properties export-ignore
-.cs.php export-ignore