added shortcut for flakes and updated nvim

configs/common.nix

@@ -13,13 +13,27 @@
 
   # Nix settings
   ## Limit Cores on rebuild and enable Flakes
-  nix.settings = {
-    cores = 6;
-    download-buffer-size = 524288000;
-    experimental-features = [
-      "nix-command"
-      "flakes"
-    ];
+  nix = {
+    registry = {
+      voidarc = {
+        from = {
+          id = "voidarc";
+          type = "indirect";
+        };
+        to = {
+          type = "git";
+          url = "https://git.voidarc.co.uk/voidarc/flakes.git";
+        };
+      };
+    };
+    settings = {
+      cores = 6;
+      download-buffer-size = 524288000;
+      experimental-features = [
+        "nix-command"
+        "flakes"
+      ];
+    };
   };
 
   ## Allow unfree packages and add pkgs.unstable

flake.lock

@@ -318,11 +318,11 @@
     },
     "nixpkgs_6": {
       "locked": {
-        "lastModified": 1776169885,
-        "narHash": "sha256-l/iNYDZ4bGOAFQY2q8y5OAfBBtrDAaPuRQqWaFHVRXM=",
+        "lastModified": 1777578337,
+        "narHash": "sha256-Ad49moKWeXtKBJNy2ebiTQUEgdLyvGmTeykAQ9xM+Z4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4bd9165a9165d7b5e33ae57f3eecbcb28fb231c9",
+        "rev": "15f4ee454b1dce334612fa6843b3e05cf546efab",
         "type": "github"
       },
       "original": {
@@ -406,11 +406,11 @@
         "nixpkgs": "nixpkgs_6"
       },
       "locked": {
-        "lastModified": 1777715181,
-        "narHash": "sha256-L37NZCqNtnbieh8jVqJ2WSOdtJf+1/ccVZuh3VEXtNg=",
+        "lastModified": 1777834787,
+        "narHash": "sha256-yHgNKWcX8AtEX7mJJhnMf8VM4kyjljj/1bpnCZhqDp8=",
         "ref": "refs/heads/main",
-        "rev": "98c809990b0e31ab3e8789a0bfa816357a559e03",
-        "revCount": 70,
+        "rev": "85b26f78b1b5486b87e64ee725f73042affc8b9b",
+        "revCount": 73,
         "type": "git",
         "url": "file:///home/user01/.dotfiles/.config/nvim"
       },