add webhook events

lib/highlight_code.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module HighlightCode
+  module_function
+
+  def call(code, lexer, theme: 'base16.light')
+    require 'rouge/themes/base16' unless Rouge::Theme.registry[theme]
+
+    formatter = Rouge::Formatters::HTMLInline.new(theme)
+    lexer = Rouge::Lexers.const_get(lexer.to_sym).new
+    formatted_code = formatter.format(lexer.lex(code))
+    formatted_code = formatted_code.gsub('background-color: #181818', '') if theme == 'base16.dark'
+    formatted_code
+  end
+end