Move from vim script to lua init file

lua/keymappings.lua

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+local utils = require('utils')
+vim.g.mapleader = ','
+-- Paste from clipboard
+utils.map('n', '<leader>p', '"+p')
+utils.map('n', '<leader>P', '"+P')
+utils.map('v', '<leader>p', '"+p')
+utils.map('v', '<leader>P', '"+P')
+
+-- Yank to clipboard
+utils.map('v', '<leader>y', '"+y')
+utils.map('n', '<leader>Y', '"+yg_')
+utils.map('n', '<leader>y', '"+y')
+utils.map('n', '<leader>yy', '"+yy')
+-- Tabs and Split
+
+utils.map('n', 'F2', ':tabnew .<CR>')

lua/plugins.lua

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+return require('packer').startup(function()
+
+  -- Packer can manage itself as an optional plugin
+  use {'wbthomason/packer.nvim', opt = true}
+  use {'neovim/nvim-lspconfig'}
+  use {'nvim-treesitter/nvim-treesitter'}
+  use {
+      'nvim-telescope/telescope.nvim',
+      requires = {{'nvim-lua/popup.nvim'}, {'nvim-lua/plenary.nvim'}}
+  }
+  use {'sainnhe/gruvbox-material'}
+  use {'lukas-reineke/indent-blankline.nvim'}
+  use {'nvim-lua/plenary.nvim'}
+  use {'lewis6991/gitsigns.nvim'}
+  use {'kosayoda/nvim-lightbulb'}
+end)

lua/utils/init.lua

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+local utils = { }
+
+local scopes = {o = vim.o, b = vim.bo, w = vim.wo}
+
+function utils.opt(scope, key, value)
+    scopes[scope][key] = value
+    if scope ~= 'o' then scopes['o'][key] = value end
+end
+
+function utils.map(mode, lhs, rhs, opts)
+  local options = {noremap = true}
+  if opts then options = vim.tbl_extend('force', options, opts) end
+  vim.api.nvim_set_keymap(mode, lhs, rhs, options)
+end
+
+return utils