feat: change nixvim toggleterm to use fish as shell

home-manager/stvnliu/nixvim/default.nix

@@ -1,4 +1,8 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  config,
+  ...
+}: {
   imports = [
     ./auto-pairs.nix
     ./autosave.nix

home-manager/stvnliu/nixvim/toggleterm.nix

@@ -3,6 +3,9 @@
     enable = true;
     settings = {
       open_mapping = "[[<C-t>]]";
+      # FIXME this is weird because the shell option must be manually updated
+      # because I don't understand how .nix files work when imported
+      shell = "fish";
     };
   };
 }