adding data/ext folder to gitignore
adding data/ext folder to gitignore

tagspaces/tagspaces,cbop-dev/tagspaces,tagspaces/tagspaces,cbop-dev/tagspaces,tagspaces/tagspaces,cbop-dev/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces