fix: Pull nixd from nixpkgs to hopefully fix g++ issue

Don't know how the fuck it works here but not when installing into
home-manager but hopefully this fixes it.

flake.lock

@@ -108,6 +108,39 @@
         "type": "indirect"
       }
     },
+    "flake-parts_4": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib_2"
+      },
+      "locked": {
+        "lastModified": 1733312601,
+        "narHash": "sha256-4pDvzqnegAfRkPwO3wmwBhVi/Sye1mzps0zHWYnP88c=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "205b12d8b7cd4802fbcb8e8ef6a0f1408781a4f9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-root": {
+      "locked": {
+        "lastModified": 1723604017,
+        "narHash": "sha256-rBtQ8gg+Dn4Sx/s+pvjdq3CB2wQNzx9XGFq/JVGCB6k=",
+        "owner": "srid",
+        "repo": "flake-root",
+        "rev": "b759a56851e10cb13f6b8e5698af7b59c44be26e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "srid",
+        "repo": "flake-root",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -350,6 +383,27 @@
         "type": "github"
       }
     },
+    "nixd": {
+      "inputs": {
+        "flake-parts": "flake-parts_4",
+        "flake-root": "flake-root",
+        "nixpkgs": "nixpkgs_2",
+        "treefmt-nix": "treefmt-nix_2"
+      },
+      "locked": {
+        "lastModified": 1735752858,
+        "narHash": "sha256-YzrT9iIODyf96XLhgDi2ESKvrl1v7iNhMqMdNjTTSW4=",
+        "owner": "nix-community",
+        "repo": "nixd",
+        "rev": "17b7dfd1b4a888ded1bbf875b7601e40f43f94e8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixd",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1718714799,
@@ -378,6 +432,18 @@
         "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
       }
     },
+    "nixpkgs-lib_2": {
+      "locked": {
+        "lastModified": 1733096140,
+        "narHash": "sha256-1qRH7uAUsyQI7R1Uwl4T+XvdNv778H0Nb5njNrqvylY=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/5487e69da40cbd611ab2cadee0b4637225f7cfae.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/5487e69da40cbd611ab2cadee0b4637225f7cfae.tar.gz"
+      }
+    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1720386169,
@@ -395,6 +461,22 @@
       }
     },
     "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1734435836,
+        "narHash": "sha256-kMBQ5PRiFLagltK0sH+08aiNt3zGERC2297iB6vrvlU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4989a246d7a390a859852baddb1013f825435cee",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1735834308,
         "narHash": "sha256-dklw3AXr3OGO4/XT1Tu3Xz9n/we8GctZZ75ZWVqAVhk=",
@@ -433,7 +515,8 @@
         "neotab-nvim": "neotab-nvim",
         "neovim-nightly": "neovim-nightly",
         "nerdy-nvim": "nerdy-nvim",
-        "nixpkgs": "nixpkgs_2",
+        "nixd": "nixd",
+        "nixpkgs": "nixpkgs_3",
         "nvim-emmet": "nvim-emmet"
       }
     },
@@ -472,6 +555,27 @@
         "repo": "treefmt-nix",
         "type": "github"
       }
+    },
+    "treefmt-nix_2": {
+      "inputs": {
+        "nixpkgs": [
+          "nixd",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1734704479,
+        "narHash": "sha256-MMi74+WckoyEWBRcg/oaGRvXC9BVVxDZNRMpL+72wBI=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "65712f5af67234dad91a5a4baee986a8b62dbf8f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -25,6 +25,8 @@
       url = "github:olrtg/nvim-emmet";
       flake = false;
     };
+
+    nixd.url = "github:nix-community/nixd";
   };
 
   outputs = inputs @ {

nix/neovim-overlay.nix

@@ -152,7 +152,7 @@ with final.pkgs.lib; let
     bash-language-server
     emmet-language-server
     lua-language-server
-    nixd
+    inputs.nixd.packages.${pkgs.system}.nixd
     phpactor
     stylelint-lsp
     taplo