* web: Put session file in $XDG_DATA_DIR.
* web: Use $XDG_CACHE_HOME instead of $XDG_DATA_HOME.
* web: Force minimum version of directory (needed for xdg utilities).
* web: Cancel changes to hledger-web.cabal
Co-authored-by: Félix Sipma <felix.sipma@no-log.org>
A simple web-based user interface for the hledger accounting system,
providing a more modern UI than the command-line or terminal interfaces.
It can be used as a local single-user UI, or as a multi-user UI for
viewing/adding/editing on the web.