Add support for option to customize the Notification bubble

Support adding info element for the Text Chat chat in the footer
Fix some ui issues for message rendering in the Text Chat

Fix issues with multiline questions, add markdown support for questions

Support custom chat header element, improve chat history export

Fix issue with export chat history
Fix issue when multiple suggestions appear in the text chat

Fix issues with empty messages in the chat

Support suggestions for the answer
Add response graph to answers for exported chat

Fix issue with rendering multiple iFrames in the response

Add feedbackSent event triggered by like/dislike button click in TextChat

Improve inlined mode handling for TextChat