Added theme

jekyll-theme-minimal.gemspec

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+Gem::Specification.new do |s|
+  s.name          = 'jekyll-theme-minimal'
+  s.version       = '0.1.1'
+  s.license       = 'CC0-1.0'
+  s.authors       = ['Steve Smith', 'GitHub, Inc.']
+  s.email         = ['opensource+jekyll-theme-minimal@github.com']
+  s.homepage      = 'https://github.com/pages-themes/minimal'
+  s.summary       = 'Minimal is a Jekyll theme for GitHub Pages'
+
+  s.files         = `git ls-files -z`.split("\x0").select do |f|
+    f.match(%r{^((_includes|_layouts|_sass|assets)/|(LICENSE|README)((\.(txt|md|markdown)|$)))}i)
+  end
+
+  s.platform = Gem::Platform::RUBY
+  s.add_runtime_dependency 'jekyll', '> 3.5', '< 5.0'
+  s.add_runtime_dependency 'jekyll-seo-tag', '~> 2.0'
+  s.add_development_dependency 'html-proofer', '~> 3.0'
+  s.add_development_dependency 'rubocop', '~> 0.50'
+  s.add_development_dependency 'w3c_validators', '~> 1.3'
+end