[108] signals chatbot (#121)

* getting started

* building the bot

* testing a signals chatbot

* signals bot v0.1

* removing requirements.txt

* adjusting the texts

* adjusting the prompt

* updating the chatbot to 2024

* adjusting css

* fixed text

* checking fonts

* checking fonts

* added logging session states

* adding message counter

* fixing scrolling and text

* fixing scrolling and text

* adding illustrations

* minor fixes

* testing different models

* changing the model version

* changing model

* define allowed datasets

* changing model

* adding simple cost checking

* adding fixes

* adding fixes