update demo content for github pages

_debug_replacements.php

@@ -75,7 +75,7 @@ return [
 	'term_height' => '25',
 	'default_bg' => '0',
 	'default_fg' => '7',
-	'show_buttons' => '1',
+	'show_buttons' => '0',
 	'show_config_links' => '1',
 
 	'uart_baud' => 115200,

build.sh

@@ -21,6 +21,7 @@ npm run sass -- --output-style compressed sass/app.scss css/app.css
 
 echo 'Building HTML...'
 
+rm out/*
 php ./dump_js_lang.php
 php ./compile_html.php
 

jssrc/term_screen.js

@@ -905,6 +905,8 @@ class TermScreen {
   loadContent (str) {
     // current index
     let i = 0
+    // Uncomment to capture screen content for the demo page
+    // console.log(JSON.stringify(`S${str}`))
 
     // window size
     const newHeight = parse2B(str, i)