Restructure omni services and add Chatwoot research snapshot

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

@@ -0,0 +1,60 @@
+class Messages::MarkdownRenderers::TelegramRenderer < Messages::MarkdownRenderers::BaseMarkdownRenderer
+  def initialize
+    super
+    @list_item_number = 0
+  end
+
+  def strong(_node)
+    out('<strong>', :children, '</strong>')
+  end
+
+  def emph(_node)
+    out('<em>', :children, '</em>')
+  end
+
+  def code(node)
+    out('<code>', node.string_content, '</code>')
+  end
+
+  def link(node)
+    out('<a href="', node.url, '">', :children, '</a>')
+  end
+
+  def strikethrough(_node)
+    out('<del>', :children, '</del>')
+  end
+
+  def blockquote(_node)
+    out('<blockquote>', :children, '</blockquote>')
+  end
+
+  def code_block(node)
+    out('<pre>', node.string_content, '</pre>')
+  end
+
+  def list(node)
+    @list_type = node.list_type
+    @list_item_number = @list_type == :ordered_list ? node.list_start : 0
+    out(:children)
+    cr
+  end
+
+  def list_item(_node)
+    if @list_type == :ordered_list
+      out("#{@list_item_number}. ", :children)
+      @list_item_number += 1
+    else
+      out('• ', :children)
+    end
+    cr
+  end
+
+  def header(_node)
+    out('<strong>', :children, '</strong>')
+    cr
+  end
+
+  def softbreak(_node)
+    out("\n")
+  end
+end