Move options to seperate modules so they can be shared between home manager and nixos

modules/options/common.nix

@@ -0,0 +1,41 @@
+
+{ lib
+, pkgs
+, localPackages
+, config
+, ...
+}: 
+
+with lib;
+{
+    options.simmer.common = {
+        neovim.enable = mkOption {
+            description = "Whether to install neovim and set as default editor";
+            type = types.bool;
+            default = true;
+        };
+        
+        nil.enable = mkOption {
+            description = "Whether to install nil";
+            type = types.bool;
+            default = true;
+        };
+
+        shell = mkOption {
+            description = "Default shell to use (fish)";
+            type = types.enum [ "fish" ];
+            default = "fish";
+        };
+
+        caps = mkOption {
+            description = "What key to bind caps lock to";
+            type = types.enum [ "ctrl-esc" "esc" "caps" ];
+            default = "ctrl-esc";
+        };
+
+        nixpkgs = mkOption {
+            description = "Which nixpkgs version to use";
+            type = types.any;
+        };
+    };
+}