common: restructure config, update tmux and wezterm

nix-config/shared/hm/default.nix

@@ -0,0 +1,4 @@
+{ ... }:
+{
+  imports = [ ./nvim.nix ];
+}

nix-config/shared/hm/nvim.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  options.mkk.neovim = {
+    enable = lib.mkOption {
+      default = false;
+      type = lib.types.bool;
+    };
+  };
+  config =
+    # Home Manager
+    lib.mkIf config.mkk.neovim.enable {
+      xdg.configFile."nvim/lua/materus".source = "${config.mkk.dir}/config/editor/neovim/lua/materus";
+      programs.neovim = {
+        enable = true;
+        withRuby = true;
+        withPython3 = true;
+        plugins = [
+          pkgs.vimPlugins.nvim-treesitter.withAllGrammars
+        ];
+
+        initLua = lib.mkAfter ''
+          MATERUS = {
+            NIXOS = 1
+          }
+          require("materus")
+        '';
+      };
+      home.packages = [
+        pkgs.fd
+        pkgs.ripgrep
+        pkgs.tree-sitter
+      ];
+    };
+}