Prepare changelog for v0.30.1
Prepare changelog for v0.30.1

prettydiff/atom-beautify,Glavin001/atom-beautify,Glavin001/atom-beautify,Glavin001/atom-beautify,Glavin001/atom-beautify,prettydiff/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify,prettydiff/atom-beautify