Finally modularize neovim configuration

lua/config/options.lua

@@ -0,0 +1,55 @@
+-- Options configuration
+vim.g.mapleader = ";"
+vim.g.maplocalleader = ";"
+
+-- Line numbers
+vim.opt.number = true
+vim.opt.relativenumber = true
+
+-- Mouse
+vim.opt.mouse = ""
+
+-- Mode display
+vim.opt.showmode = false
+
+-- Search
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+vim.opt.hlsearch = true
+
+-- Sign column
+vim.opt.signcolumn = "yes"
+
+-- Splits
+vim.opt.splitright = true
+vim.opt.splitbelow = true
+
+-- Whitespace display
+vim.opt.list = true
+vim.opt.listchars = { tab = "» ", trail = "·", nbsp = "␣" }
+
+-- Live substitution preview
+vim.opt.inccommand = "split"
+
+-- Cursor line
+vim.opt.cursorline = true
+
+-- General settings
+vim.opt.shiftwidth = 4
+vim.opt.tabstop = 4
+vim.opt.expandtab = true
+vim.opt.tw = 100
+vim.opt.colorcolumn = "+1"
+vim.opt.termguicolors = true
+vim.opt.pumheight = 5
+
+-- Light mode check
+local function file_exists(name)
+	local f = io.open(name, "r")
+	return f ~= nil and io.close(f)
+end
+
+local home = os.getenv("HOME")
+if file_exists(home .. "/.config/nvim/light_mode") then
+	vim.opt.background = "light"
+end