Added NeoVim config files

files/system/etc/xdg/nvim/lua/plugins/treesitter.lua

@@ -0,0 +1,18 @@
+local plugin = {
+	"nvim-treesitter/nvim-treesitter",
+	build = function()
+		require("nvim-treesitter.install").update({ with_sync = true })()
+	end,
+    config = function()
+        local configs = require("nvim-treesitter.configs")
+
+        configs.setup({
+            ensure_installed = { "c", "lua", "vim", "vimdoc", "query", "elixir", "heex", "javascript", "html" },
+            sync_install = false,
+            highlight = { enable = true },
+            indent = { enable = true },
+        })
+    end,
+}
+
+return { plugin }