feat: add helix-gpt

Signed-off-by: jolheiser <john.olheiser@gmail.com>

.helix/languages.toml

@@ -0,0 +1,3 @@
+[[language]]
+name = "nix"
+language-servers = ["nil", "gpt"]

config.nix

@@ -195,6 +195,10 @@
     language-server = {
       typst.command = "${typst-lsp}/bin/typst-lsp";
       nil.config.nil.nix.flake.autoEvalInputs = true;
+      gpt = {
+        command = "${helix-gpt}";
+        args = ["--handler=codeium"];
+      };
     };
   };
   themes = {

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1708001613,
-        "narHash": "sha256-woOmAXW05XnqlLn7dKzCkRAEOSOdA/Z2ndVvKcjid94=",
+        "lastModified": 1708751719,
+        "narHash": "sha256-0uWOKSpXJXmXswOvDM5Vk3blB74apFB6rNGWV5IjoN0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "085589047343aad800c4d305cf7b98e8a3d51ae2",
+        "rev": "f63ce824cd2f036216eb5f637dfef31e1a03ee89",
         "type": "github"
       },
       "original": {