Refactored file structure to make more sense, made default.nixes less verbose

modules/sys/software/nixvim/options.nix

@@ -0,0 +1,36 @@
+{ config, ... }:
+
+{
+  programs.nixvim = {
+    enable = true;
+    diagnostics.signs = false;
+    extraConfigLua = ''
+      if vim.g.started_by_firenvim == true then
+      	vim.o.laststatus = 0
+      end
+      if vim.g.neovide then
+      	vim.g.neovide_refresh_rate = 144
+      	vim.g.neovide_cursor_vfx_mode = "sonicboom"
+      	vim.g.neovide_cursor_animate_in_insert_mode = false
+      end
+
+      vim.opt.number = true
+      vim.opt.relativenumber = true
+      vim.opt.hlsearch = true
+      vim.opt.incsearch = true
+      vim.opt.shiftwidth = 2
+      vim.opt.tabstop = 2
+      vim.opt.termguicolors = true
+      vim.opt.ruler = true
+      vim.opt.scrolloff = 6
+      vim.opt.undofile = true
+      vim.opt.foldmethod = "manual"
+      vim.opt.wrap = true
+      vim.opt.linebreak = true
+      vim.opt.textwidth = 0
+      vim.opt.breakat = " \t!@*-+;:,./?"
+
+      vim.g.mapleader = "!"
+    '';
+  };
+}