renamed some files and directories that had identical filenames. Altered some nixvim plugin options. Set up gpg signing for git commits.

modules/sys/sysenv/nix.nix

@@ -0,0 +1,24 @@
+{ lib, config, ... }: {
+  options = {
+    movOpts.sysEnv.nixSettings.enable =
+      lib.mkEnableOption "enables my nixos settings";
+  };
+  config = lib.mkIf config.movOpts.sysEnv.nixSettings.enable {
+    system.stateVersion = "24.05";
+    nixpkgs.config.allowUnfree = true;
+    nix = {
+      settings = {
+        auto-optimise-store = true;
+        experimental-features = [ "nix-command" "flakes" ];
+        substituters = [ "https://nix-gaming.cachix.org" ];
+      };
+      gc = {
+        automatic = true;
+        dates = "weekly";
+        options = "--delete-older-than 7d";
+      };
+    };
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+  };
+}