modify helix package and add idris tree-sitter integration

pkgs/helix/default.nix

@@ -0,0 +1,66 @@
+{
+  lib,
+  pkgs,
+  inputs,
+  ...
+}@args:
+let
+  inherit (inputs.helix.packages."${pkgs.system}") helix helix-unwrapped;
+  helix-core = helix-unwrapped.overrideAttrs {
+    HELIX_DEFAULT_RUNTIME = "${grammarRuntime}";
+  };
+  helix-wrapped = (helix.override grammarConfig).passthru.wrapper helix-core;
+  grammars = import ./grammars args;
+  grammarOverlays = grammars.overlays;
+  grammarRuntime = grammars.runtime;
+  grammarConfig = {
+    inherit grammarOverlays;
+  };
+  runtimeInputs = (
+    with pkgs;
+    [
+      idris2Packages.idris2Lsp
+      lua-language-server
+      bash-language-server
+      hurl
+      cmake-language-server
+      kdlfmt
+      rustfmt
+      clang-tools
+      libxml2
+      typstyle
+      pyright
+      ruff
+      gotools
+      yaml-language-server
+      taplo
+      markdown-oxide
+      nixd
+      deno
+      nixfmt-rfc-style
+      vscode-langservers-extracted
+      fish-lsp
+      gopls
+      golangci-lint-langserver
+      tinymist
+      delve
+      lldb
+      rust-analyzer
+      nil
+      haskell-language-server
+      neocmakelsp
+    ]
+  );
+in
+pkgs.symlinkJoin {
+  name = "helix-wrapped";
+  paths = [ helix-wrapped ];
+  inherit (helix-wrapped) meta;
+  buildInputs = [
+    pkgs.makeWrapper
+  ];
+  postBuild = ''
+    wrapProgram $out/bin/hx \
+    --suffix PATH : ${lib.makeBinPath runtimeInputs}
+  '';
+}