add neovim config

.config/nvim/lua/core/colorscheme.lua

@@ -0,0 +1,6 @@
+-- set colorscheme if it's installed
+local status, _ = pcall(vim.cmd, "colorscheme onenord")
+if not status then
+   print("Color scheme not found!")
+   return
+end

.config/nvim/lua/core/keymaps.lua

@@ -0,0 +1,4 @@
+-- set leader key to space
+vim.g.mapleader = " "
+
+local keymap = vim.keymap

.config/nvim/lua/core/options.lua

@@ -0,0 +1,38 @@
+local opt = vim.opt
+
+-- line numbers
+opt.number = true
+opt.relativenumber = true
+
+-- tabs & indents
+opt.tabstop = 3
+opt.shiftwidth = 3
+opt.expandtab = true
+opt.autoindent = true
+
+-- disable line wrapping
+opt.wrap = false
+
+-- search
+opt.ignorecase = true
+opt.smartcase = true
+
+-- cursor line
+opt.cursorline = true
+
+-- appearance
+opt.termguicolors = false
+opt.background = "dark"
+opt.signcolumn = "yes"
+
+-- backspace
+opt.backspace = "indent,eol,start"
+
+-- clipboard
+opt.clipboard:append("unnamedplus") -- use system clipboard as the default register
+
+-- split windows
+opt.splitright = true
+opt.splitbelow = true
+
+opt.iskeyword:append("-") -- consider string-string as a whole word

.config/nvim/lua/plugins-setup.lua

@@ -0,0 +1,37 @@
+-- auto install packer if not installed
+local ensure_packer = function()
+  local fn = vim.fn
+  local install_path = fn.stdpath("data") .. "/site/pack/packer/start/packer.nvim"
+  if fn.empty(fn.glob(install_path)) > 0 then
+    fn.system({ "git", "clone", "--depth", "1", "https://github.com/wbthomason/packer.nvim", install_path })
+    vim.cmd([[packadd packer.nvim]])
+    return true
+  end
+  return false
+end
+local packer_bootstrap = ensure_packer()
+
+-- autoreload
+vim.cmd([[ 
+  augroup packer_user_config
+    autocmd!
+    autocmd BufWritePost plugins-setup.lua source <afile> | PackerSync
+  augroup end
+]])
+
+-- import packer safely
+local status, packer = pcall(require, "packer")
+if not status then
+  return
+end
+
+-- enable plugins
+return packer.startup(function(use)
+  use("wbthomason/packer.nvim")
+  use("nvim-lua/plenary.nvim")
+  use("rmehri01/onenord.nvim") -- preferred colorscheme
+
+  if packer_bootstrap then
+    require("packer").sync()
+  end
+end)