feat(vim-plugins): Add lazy.nvim to Neovim config

Continuing the process of migrating git-submodules for Neovim and Vim to
plugin managers.  Now is the time for Neovim plugins.

nvim/init.vim

@@ -59,6 +59,8 @@ set foldexpr=nvim_treesitter#foldexpr()
 set foldtext=""
 set nofoldenable
 
+lua require("plugins")
+
 " Theming
 let g:aldmeris_transparent = v:true
 let g:aldmeris_termcolors = 'tango'

nvim/lua/plugins.lua

@@ -0,0 +1,14 @@
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not vim.uv.fs_stat(lazypath) then
+  vim.fn.system({
+    "git",
+    "clone",
+    "--filter=blob:none",
+    "https://github.com/folke/lazy.nvim.git",
+    "--branch=stable", -- latest stable release
+    lazypath,
+  })
+end
+vim.opt.rtp:prepend(lazypath)
+
+require("lazy").setup()