adding gemspec

.gitignore

@@ -1,5 +1,4 @@
 *.gem
-*.gemspec
 .bundle
 .sass-cache
 _site

devlopr.gemspec

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+Gem::Specification.new do |spec|
+  spec.name          = "devlopr"
+  spec.version       = "0.4.5"
+  spec.authors       = ["Sujay Kundu"]
+  spec.email         = ["[email protected]"]
+
+  spec.summary       = %q{ A Jekyll Theme built for developers }
+  spec.homepage      = "https://github.com/sujaykundu777/devlopr-jekyll"
+  spec.license       = "MIT"
+
+  spec.metadata["plugin_type"] = "theme"
+
+  spec.files = `git ls-files -z`.split("\x0").select do |f|
+    f.match(%r{^(assets|categories|tags|_(includes|layouts|sass)/|(LICENSE|README)((\.(txt|md|markdown)|$)))}i)
+  end
+
+  spec.add_runtime_dependency "jekyll", ">= 3.5", "< 5.0"
+  spec.add_runtime_dependency "jekyll-sitemap", '~> 1.4.0'
+  spec.add_runtime_dependency "jekyll-feed", '~> 0.13.0'
+  spec.add_runtime_dependency "jekyll-seo-tag", '~> 2.6.1'
+  spec.add_runtime_dependency "jekyll-paginate", '~> 1.1.0'
+  spec.add_runtime_dependency "jekyll-gist", '~> 1.5.0'
+
+  spec.add_development_dependency "bundler", "~> 2.1.4"
+  spec.add_development_dependency "rake", "~> 12.0"
+end