v2.2.0

c15be3e - fix pdf reader #146
59c6782 - fix pptx reader #146
5d61934 - add utls to fake client hello
6a83e40 - fix: try using more realistic headers
ef404c0 - fix release notes line break
9648e33 - use random name for new chat, addressing #134
0cd5993 - add saving generative image
a5812fa - add generative image to frontend