Added <s> tag to core components

Author: Manukam

app/concepts/matestack/ui/core/s/s.haml

@@ -0,0 +1,5 @@
+%s{@tag_attributes}
+  - if options[:text].nil? && block_given?
+    = yield
+  - else
+    = options[:text]

app/concepts/matestack/ui/core/s/s.rb

@@ -0,0 +1,6 @@
+module Matestack::Ui::Core::S
+    class S < Matestack::Ui::Core::Component::Static
+  
+    end
+  end
+  

docs/components/s.md

@@ -0,0 +1,46 @@
+# matestack core component: s
+
+Show [specs](/spec/usage/components/s_spec.rb)
+
+The HTML `<s>` tag implemented in ruby.
+
+## Parameters
+
+This component can take 3 optional configuration params and optional content.
+
+#### # id (optional)
+Expects a string with all ids the s tag should have.
+
+#### # class (optional)
+Expects a string with all classes the s tag should have.
+
+#### # text (optional)
+Expects a string with the text that s go into the `<s>` tag.
+
+## Example 1
+Specifying the text directly
+
+```ruby
+  s id: "foo", class: "bar" text: "Hello World"
+```
+
+returns
+
+```html
+<s id="foo" class="bar">Hello World</s>
+```
+
+## Example 2
+Rendering a content block between the `<s>` tags
+
+```ruby
+s id: "foo", class: "bar" do
+  plain "Hello World"
+end
+```
+
+returns
+
+```html
+<s id="foo" class="bar">Hello World</s>
+```

spec/usage/components/s_spec.rb

@@ -0,0 +1,66 @@
+require_relative "../../support/utils"
+include Utils
+
+describe 'S Component', type: :feature, js: true do
+
+  it 'Example 1 - yield, no options[:text]' do
+
+    class ExamplePage < Matestack::Ui::Page
+
+      def response
+        components {
+          # simple s
+          s do
+            plain 'I am simple'
+          end
+
+          # enhanced s
+          s id: 'my-id', class: 'my-class' do
+            plain 'I am enhanced'
+          end
+        }
+      end
+
+    end
+
+    visit '/example'
+
+    static_output = page.html
+
+    expected_static_output = <<~HTML
+    <s>I am simple</s>
+    <s id="my-id" class="my-class">I am enhanced</s>
+    HTML
+
+    expect(stripped(static_output)).to include(stripped(expected_static_output))
+  end
+
+  it 'Example 2 - render options[:text]' do
+
+    class ExamplePage < Matestack::Ui::Page
+
+      def response
+        components {
+          # simple s
+          s text: 'I am simple'
+
+          # enhanced s
+          s id: 'my-id', class: 'my-class', text: 'I am enhanced'
+        }
+      end
+
+    end
+
+    visit '/example'
+
+    static_output = page.html
+
+    expected_static_output = <<~HTML
+    <s>I am simple</s>
+    <s id="my-id" class="my-class">I am enhanced</s>
+    HTML
+
+    expect(stripped(static_output)).to include(stripped(expected_static_output))
+  end
+
+end