Remove unnecessary files from builded package

Author: mabar

.gitattributes

@@ -1,7 +1,12 @@
+# Not archived
+.docs export-ignore
+examples export-ignore
+tests export-ignore
+.editorconfig export-ignore
 .gitattributes export-ignore
 .gitignore export-ignore
 .travis.yml export-ignore
-composer.lock export-ignore
-tests/ export-ignore
-examples/ export-ignore
-*.md export-ignore
+LICENSE export-ignore
+README.md export-ignore
+phpstan.neon export-ignore
+ruleset.xml