exclude files from gem

Author: yegor256

xembly.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.authors = ['Yegor Bugayenko']
   s.email = '[email protected]'
   s.homepage = 'https://github.com/yegor256/xembly.rb'
-  s.files = `git ls-files`.split($RS)
+  s.files = `git ls-files | grep -v -E '^(test/|\\.|renovate)'`.split($RS)
   s.executables = s.files.grep(%r{^bin/}) { |f| File.basename(f) }
   s.rdoc_options = ['--charset=UTF-8']
   s.extra_rdoc_files = ['README.md', 'LICENSE.txt']