Many projects are team-based, with multiple people contributing to a single Construct project . Construct supports saving projects in a folder structure, where...
I doubt it will work with the web version since there's no folder based project available. But it may work with the desktop version of C3, since the folder structure is very similar.
There is experimental support for folder saves in the web version at the moment: construct.net/en/forum/construct-3/general-discussion-7/experimental-local-file-147071
Hopefully in future this will be supported by default.