Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/services/messages/markdown_renderers/line_renderer.rb

@@ -0,0 +1,36 @@
+class Messages::MarkdownRenderers::LineRenderer < Messages::MarkdownRenderers::BaseMarkdownRenderer
+  def strong(_node)
+    out(' *', :children, '* ')
+  end
+
+  def emph(_node)
+    out(' _', :children, '_ ')
+  end
+
+  def code(node)
+    out(' `', node.string_content, '` ')
+  end
+
+  def link(node)
+    out(node.url)
+  end
+
+  def list(_node)
+    out(:children)
+    cr
+  end
+
+  def list_item(_node)
+    out(:children)
+    cr
+  end
+
+  def code_block(node)
+    out(' ```', "\n", node.string_content, '``` ', "\n")
+  end
+
+  def blockquote(_node)
+    out(:children)
+    cr
+  end
+end