Nvim restart (#9)

* chore(nvim): remove astronvim and configs

* feat(nvim): new, custom nvim configuration

config/nvim/lua/plugin-manager.lua

@@ -0,0 +1,21 @@
+-- Package manager https://github.com/folke/lazy.nvim
+-- :help lazy.nvim.txt
+
+-- To install lazy.nvim automatically.
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+
+if not vim.loop.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)
+
+-- Plugins start here:
+require("lazy").setup("plugins")