For chatbot UIs: Sidepanel and 'new chat' icons
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**Describe the requested icon(s)**

We're working on a chatbot service similar to ChatGPT, so dedicated icons for the sidepanel and creating a new chat would be really useful. Currently we're substituting with the plus and double-caret icons.

**References**

Sidepanel
 ![Image](https://github.com/user-attachments/assets/47510b71-e4d2-4299-92c0-b62f5eaa7ca2) ![Image](https://github.com/user-attachments/assets/9be6d405-982f-4303-a658-b8796ddd269d) ![Image](https://github.com/user-attachments/assets/5766ece0-8fc1-482f-9d52-02e1f3ad7bf9)

New chat
![Image](https://github.com/user-attachments/assets/cd8a46ab-7201-494b-8677-153693292c3b) ![Image](https://github.com/user-attachments/assets/bb2738e7-59aa-46e4-8489-57a4fb59d423)


