Fix hedgedoc oauth, update flake, update sops

hosts/voyager/configuration.nix

@@ -46,14 +46,13 @@
   };
 
   sops.defaultSopsFile = ../../secrets/voyager/voyager.yaml;
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
 
   environment.variables = { EDITOR = "vim"; };
   environment.systemPackages = with pkgs; [
     ((vim_configurable.override {  }).customize{
      name = "vim";
      vimrcConfig.packages.myplugins = with pkgs.vimPlugins; {
-     start = [ vim-nix vim-lastplace ];
+     start = [ vim-nix vim-lastplace vim-commentary ];
      opt = [];
      };
      vimrcConfig.customRC = ''