v0.24 - Spring Cleaning

carapace-bridge
Moved bridge actions to carapace-bridge.
The shell bridges now use custom configs at ${UserConfigDir}/carapace/bridge
(e.g. ~/.config/carapace/bridge/fish/config.fish instead of ~/.config/fish/config.fish).
removed flags
Removed --bridge and --spec flags as user specs are preferred and there are carapace-bridge and carapace-spec as well.