Build packages and add script to list package size

Author: luc-github

.gitignore

@@ -3,3 +3,5 @@ node_modules
 .vscode
 build
 server
+.env
+languages/backup/

dist/BUNDLE_SIZES.md

@@ -0,0 +1,15 @@
+# Bundle sizes (dist/)
+
+Generated by `tools/release_bundle_sizes.py`. Use this table in RELEASE_*.md or docs/FEATURES_AND_BUNDLE.md.
+
+| Target | Subtarget | Size | Bytes | Path |
+|--------|-----------|------|-------|------|
+| CNC | GRBL | 86.6 KB | 88682 | CNC\GRBL\index.html.gz |
+| CNC | GRBLHal | 91.2 KB | 93373 | CNC\GRBLHal\index.html.gz |
+| Printer3D | Marlin | 95.7 KB | 98016 | Printer3D\Marlin\index.html.gz |
+| Printer3D | Marlin-embedded | 95.0 KB | 97255 | Printer3D\Marlin-embedded\index.html.gz |
+| Printer3D | Repetier | 94.4 KB | 96668 | Printer3D\Repetier\index.html.gz |
+| Printer3D | Smoothieware | 94.0 KB | 96251 | Printer3D\Smoothieware\index.html.gz |
+| SandTable | GRBL | 78.5 KB | 80393 | SandTable\GRBL\index.html.gz |
+
+**Total size (all packages):** 635.4 KB (650638 bytes).

dist/CNC/GRBL/index.html.gz

@@ -1,4 +1,10 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
+"""
+format_sources.py - Format JavaScript and CSS files using Prettier. 
+
+
+Copyright (c) 2026 Luc Lebosse. All rights reserved.
+"""
 
 import os
 import subprocess