fix: quote LANG variable in shortcode JS (was unquoted ReferenceError)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitignore

@@ -1,4 +1,3 @@
 public/
 resources/
 .hugo_build.lock
-.claude-session/

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "themes/congo"]
+	path = themes/congo
+	url = https://github.com/jpanther/congo.git

layouts/shortcodes/law-charts.html

@@ -37,7 +37,7 @@
 <script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.7/dist/chart.umd.min.js"></script>
 <script>
 (function() {
-  var LANG = {{ $lang }};
+  var LANG = "{{ $lang }}";
   var countries = {{ $countries | jsonify }};
 
   var statusLabels = {

layouts/shortcodes/world-map.html

@@ -33,7 +33,7 @@
 <script src="https://cdn.jsdelivr.net/npm/topojson-client@3.1.0/dist/topojson-client.min.js"></script>
 <script>
 (function() {
-  var LANG = {{ $lang }};
+  var LANG = "{{ $lang }}";
   var STATUS_COLORS = { enforced: '#4d7c0f', passed: '#059669', progress: '#86efac', guidelines: '#d1fae5' };
   var STATUS_LABELS = {
     en: { enforced: 'Enforced', passed: 'Passed', progress: 'In Progress', guidelines: 'Guidelines' },