updated TiddlySpaceConfig to only set readOnly in online mode
updated TiddlySpaceConfig to only set readOnly in online mode

when the TiddlyWiki runs offline it doesn't matter and the existing
setup forces readOnly mode preventing any editing.

TiddlySpace/tiddlyspace,TiddlySpace/tiddlyspace,FND/tiddlyspace,TiddlySpace/tiddlyspace,FND/tiddlyspace,FND/tiddlyspace