feat(nix): build UTRP (#714)

* feat(nix): build UTRP

* feat(nix): set fixed rev and sha256 + update lock file

* chore(nix): remove systems input

* chore: format

* chore(nix): add meta attribute

* feat(nix): add doprz as a maintainer

flake.lock

@@ -1,19 +1,5 @@
 {
   "nodes": {
-    "flake-compat": {
-      "locked": {
-        "lastModified": 1733328505,
-        "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
-        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
-        "revCount": 69,
-        "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.1.0/01948eb7-9cba-704f-bbf3-3fa956735b52/source.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
-      }
-    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib"
@@ -81,28 +67,11 @@
     },
     "root": {
       "inputs": {
-        "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
         "nixpkgs": "nixpkgs",
-        "systems": "systems",
         "treefmt-nix": "treefmt-nix"
       }
     },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": "nixpkgs_2"