Added gemspec and license #2 /spend 10m

LICENSE

+Copyright 2018 LCSB (https://wwwen.uni.lu/lcsb)
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

README.md

@@ -8,8 +8,8 @@ A collection of plugins that allow the user to include components from _frozen-p
 
 More information to be added.
 
-## Licence
-To be filled in
+## License
+**Apache2**, see LICENSE
 
 ## Contributing
 To be filled in

jekyll-theme-lcsb-frozen-components.gemspec

+# frozen_string_literal: true
+
+Gem::Specification.new do |spec|
+  spec.name          = "jekyll-theme-lcsb-frozen-components"
+  spec.version       = "0.0.1"
+  spec.authors       = ["jaceklebioda_lux"]
+  spec.email         = ["lcsb-sysadmins@uni.lu"]
+
+  spec.summary       = "Set of components required for Frozen-pages layout of LCSB's Jekyll theme"
+  spec.homepage      = "https://git-r3lab.uni.lu/core-services/jekyll-theme-lcsb-frozen-components"
+  spec.license       = "apache2"
+
+  spec.files         = `git ls-files -z`.split("\x0").select { |f| f.match(%r!^(_plugins|LICENSE|README)!i) }
+
+  spec.add_runtime_dependency "jekyll", "~> 4.0"
+end