feat: Generate completions for fish and sync khal properly

home/programs/calendar.nix

@@ -2,5 +2,6 @@
   programs.khal.enable = true;
   programs.qcal.enable = true;
   programs.vdirsyncer.enable = true;
+  services.vdirsyncer.enable = true;
   accounts.calendar.accounts.fastmail.qcal.enable = true;
 }

home/programs/fish.nix

@@ -46,14 +46,14 @@
   };
   home.shell.enableFishIntegration = true;
 
-  programs.bash = {
-    enable = true;
-    initExtra = ''
-      if [[ $- == *i* && -z "$FISH_VERSION" ]]; then
-        exec ${lib.getExe pkgs.fish}
-      fi
-    '';
-  };
+  # programs.bash = {
+  #   enable = true;
+  #   initExtra = ''
+  #     if [[ $- == *i* && -z "$FISH_VERSION" ]]; then
+  #       ${lib.getExe pkgs.fish}
+  #     fi
+  #   '';
+  # };
 }
 // lib.optionalAttrs (!(device.is "tsuba")) {
   stylix.targets.fish.enable = false;