Add .vscode in .gitignore
Add .vscode in .gitignore

.vscode is directory for configuration file(s) which Visual Studio Code
automatically creates and shouldn't be committed

Change-Id: I9d47dfec325b405680b97e6c3355d348f9c47a3e

wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core