Implement many more nodes

Adds these new styling and formatting nodes
* strike
* highlight
* linebreaks
* pagebreaks
* Hyperlinks

lib/notare/nodes/break.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Notare
+  module Nodes
+    class Break < Base
+      attr_reader :type
+
+      def initialize(type: :line)
+        super()
+        @type = type
+      end
+
+      def page?
+        type == :page
+      end
+    end
+  end
+end

lib/notare/nodes/hyperlink.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module Notare
+  module Nodes
+    class Hyperlink < Base
+      attr_reader :url, :rid, :runs
+
+      def initialize(url:, rid:)
+        super()
+        @url = url
+        @rid = rid
+        @runs = []
+      end
+
+      def add_run(run)
+        @runs << run
+      end
+    end
+  end
+end

lib/notare/nodes/run.rb

@@ -3,14 +3,18 @@
 module Notare
   module Nodes
     class Run < Base
-      attr_reader :text, :bold, :italic, :underline, :style
+      attr_reader :text, :bold, :italic, :underline, :strike, :highlight, :color, :style
 
-      def initialize(text, bold: false, italic: false, underline: false, style: nil)
+      def initialize(text, bold: false, italic: false, underline: false,
+                     strike: false, highlight: nil, color: nil, style: nil)
         super()
         @text = text
         @bold = bold
         @italic = italic
         @underline = underline
+        @strike = strike
+        @highlight = highlight
+        @color = color
         @style = style
       end
     end