Centered the titles in the header

move title to the header

removed hardcoded units from news plug-in & added plugin titles to corresponding pages

updated front end

Update chat.html

Delete dist/chat.js

Update newchat.js

Delete chatopenai.js

slight grammatical edits to plugin descriptions

Updated the plugin descriptions

Added suggested questions to the news plugin

fixed the width of the chat-box

Update chat.html

Delete ondemand.js, we moved to newchat.js

Added reset functino to the back button newchat.js