chore: Move doom-emacs as package instead of module

pkgs/doom-emacs/package.nix

@@ -0,0 +1,63 @@
+{
+  inputs,
+  system,
+  editor-runtime,
+  symlinkJoin,
+  makeWrapper,
+}:
+let
+  inherit (inputs) nixpkgs emacs-overlay nix-doom;
+  pkgs = import nixpkgs {
+    inherit system;
+    overlays = [
+      emacs-overlay.overlays.default
+      nix-doom.overlays.default
+    ];
+  };
+  emacs = pkgs.emacs-igc-pgtk;
+  doom-emacs = pkgs.doomEmacs {
+    doomDir = ./config;
+    doomLocalDir = "~/.local/share/nix-doom";
+    emacs = emacs;
+    extraPackages =
+      ep: with ep; [
+        melpaPackages.telega
+        melpaPackages.nixos-options
+        melpaPackages.scroll-on-jump
+      ];
+    extraBinPackages =
+      (with pkgs; [
+        git
+        ripgrep
+        fd
+        imagemagick
+      ])
+      ++ [ editor-runtime ];
+  };
+in
+symlinkJoin {
+  name = "doom-emacs";
+  paths = [ doom-emacs ];
+  inherit (doom-emacs) meta;
+  buildInputs = [
+    makeWrapper
+  ];
+  env = {
+    ORIGINAL_EMACS = toString emacs;
+  };
+  postBuild = ''
+    wrapProgram $out/bin/doom-emacs \
+      --unset EMACSNATIVELOADPATH \
+      --unset EMACSLOADPATH \
+      --inherit-argv0
+
+    mkdir -p $out/share/applications
+    cp ''${ORIGINAL_EMACS}/share/applications/emacs.desktop \
+      $out/share/applications/doom-emacs.desktop
+    cp -rt $out/share ''${ORIGINAL_EMACS}/share/icons
+    substituteInPlace $out/share/applications/doom-emacs.desktop \
+      --replace 'Name=Emacs' 'Name=Doom Emacs' \
+      --replace 'Exec=emacs' "Exec=$out/bin/doom-emacs" \
+      --replace 'StartupWMClass=Emacs' "StartupWMClass=Doom Emacs"
+  '';
+}