Suggest adding a signal icon
Hello friends!
First of all I want to thank you for developing this icon set. However I am looking for a signal icon like the one on the iphone. So can you help me please?
Thank you.
![image](https://user-images.githubusercontent.com/44111755/154794748-609c12ee-88e5-4dde-8c26-99a71d348450.png)
