Use vim-tmux-navigator in nvim and tmux

This allows to seamlessly navigate between tmux panes and nvim windows
using the ctrl key.

home/terminal/default.nix

@@ -108,6 +108,9 @@
       historyLimit = 150000;
       keyMode = "vi";
       customPaneNavigationAndResize = true;
+      plugins = with pkgs.tmuxPlugins; [
+        vim-tmux-navigator
+      ];
       extraConfig = ''
       bind-key Space next-window
 

home/terminal/nixvim/default.nix

@@ -125,6 +125,7 @@
         lualine_z = [ "fancy_lsp_servers" ];
       };
       render-markdown.enable = true;
+      tmux-navigator.enable = true;
       treesitter.enable = true;
       web-devicons.enable = true;
     };