Initial configuration

- LSP
- Relative Numbers

**Plugins**
- Conform (Formatter)
- GitHub Copilot

lua/custom/plugins/copilot.lua

@@ -0,0 +1,7 @@
+return {
+  'github/copilot.vim',
+  config = function()
+    vim.g.copilot_no_tab_map = true
+    vim.api.nvim_set_keymap("i", "<C-J>", 'copilot#Accept("<CR>")', { silent = true, expr = true })
+  end
+}