nix: move meta down to follow Nixpkgs style more closely

Author: SomeoneSerge

.devops/nix/package.nix

@@ -101,20 +101,6 @@ effectiveStdenv.mkDerivation (
   finalAttrs: {
     name = "llama.cpp";
     src = ../../.;
-    meta = {
-      description = "Inference of LLaMA model in pure C/C++${descriptionSuffix}";
-      mainProgram = "llama";
-
-
-      # These people might respond if you ping them in case of Nix-specific
-      # regressions or for reviewing Nix-specific PRs.
-
-      # Note that lib.maintainers is defined in Nixpkgs.
-      maintainers = with lib.maintainers; [
-          philiptaron
-          SomeoneSerge
-      ];
-    };
 
     postPatch = ''
       substituteInPlace ./ggml-metal.m \
@@ -190,5 +176,20 @@ effectiveStdenv.mkDerivation (
         inputsFrom = [ finalAttrs.finalPackage ];
       };
     };
+
+    meta = {
+      description = "Inference of LLaMA model in pure C/C++${descriptionSuffix}";
+      mainProgram = "llama";
+
+
+      # These people might respond if you ping them in case of Nix-specific
+      # regressions or for reviewing Nix-specific PRs.
+
+      # Note that lib.maintainers is defined in Nixpkgs.
+      maintainers = with lib.maintainers; [
+          philiptaron
+          SomeoneSerge
+      ];
+    };
   }
 )