Implement many more nodes

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

test/line_break_test.rb

@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class LineBreakTest < Minitest::Test
+  include NotareTestHelpers
+
+  def test_line_break_in_paragraph
+    xml = create_doc_and_read_xml do |doc|
+      doc.p do
+        doc.text "First line"
+        doc.br
+        doc.text "Second line"
+      end
+    end
+
+    assert_includes xml, "First line"
+    assert_includes xml, "Second line"
+    assert_includes xml, "<w:br/>"
+  end
+
+  def test_multiple_line_breaks
+    xml = create_doc_and_read_xml do |doc|
+      doc.p do
+        doc.text "Line 1"
+        doc.br
+        doc.text "Line 2"
+        doc.br
+        doc.text "Line 3"
+      end
+    end
+
+    assert_equal 2, xml.scan("<w:br/>").count
+  end
+
+  def test_line_break_with_formatting
+    xml = create_doc_and_read_xml do |doc|
+      doc.p do
+        doc.b { doc.text "Bold first line" }
+        doc.br
+        doc.i { doc.text "Italic second line" }
+      end
+    end
+
+    assert_includes xml, "<w:b/>"
+    assert_includes xml, "<w:i/>"
+    assert_includes xml, "<w:br/>"
+    assert_includes xml, "Bold first line"
+    assert_includes xml, "Italic second line"
+  end
+
+  def test_line_break_in_list_item
+    xml = create_doc_and_read_xml do |doc|
+      doc.ul do
+        doc.li do
+          doc.text "First line"
+          doc.br
+          doc.text "Second line"
+        end
+      end
+    end
+
+    assert_includes xml, "<w:br/>"
+    assert_includes xml, "First line"
+    assert_includes xml, "Second line"
+  end
+
+  def test_line_break_in_table_cell
+    xml = create_doc_and_read_xml do |doc|
+      doc.table do
+        doc.tr do
+          doc.td do
+            doc.text "Cell line 1"
+            doc.br
+            doc.text "Cell line 2"
+          end
+        end
+      end
+    end
+
+    assert_includes xml, "<w:br/>"
+    assert_includes xml, "Cell line 1"
+    assert_includes xml, "Cell line 2"
+  end
+end