♻️ [shared] Moved files to base shared directory

shared/base/modules/development/default.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+
+{
+  imports = [
+    ./formatters.nix
+    ./nix.nix
+  ];
+
+  environment.systemPackages = with pkgs; [
+    git
+    just
+  ];
+}

shared/base/modules/development/formatters.nix

@@ -0,0 +1,10 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    nodePackages.prettier
+    nixfmt-rfc-style
+    treefmt
+    shfmt
+  ];
+}

shared/base/modules/development/nix.nix

@@ -0,0 +1,8 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    nixd
+    nil
+  ];
+}