Added the necessary configurations and dependencies to enable Flatpak in the Fuchsia module. This includes enabling the xdg portal for default settings and adding the flatpak service.  | 
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|---|---|---|
| .. | ||
| services | ||
| configuration.nix | ||
| hardware-configuration.nix | ||
| ssh_host_ed25519_key.pub | ||
| ssh_host_rsa_key.pub | ||