fix: make copy button copy raw markdown

layouts/_default/baseof.html

@@ -231,7 +231,7 @@
     {{ block "main" . }}{{ end }}
     <p class="license">Licensed under <a href="https://creativecommons.org/publicdomain/zero/1.0/">CC0 1.0</a> • Copyright © 2025 Stephen Waits</p>
     <script>
-    function copyCoC(){var t=document.querySelector('.coc-box').innerText;navigator.clipboard.writeText(t).then(function(){alert('Copied!')});}
+    function copyCoC(){var t=document.querySelector('.coc-box').getAttribute('data-raw-content');navigator.clipboard.writeText(t).then(function(){alert('Copied!')});}
     function updateThemeBtn(){var d=window.matchMedia('(prefers-color-scheme: dark)').matches;var t=document.body.dataset.theme;var dark=t=='dark'||(t==''&&d)||(!t&&d);document.getElementById('theme-btn').textContent=dark?'☀︎':'☾';}
     function toggleTheme(){var d=window.matchMedia('(prefers-color-scheme: dark)').matches;var t=document.body.dataset.theme;var dark=t=='dark'||(t==''&&d)||(!t&&d);document.body.dataset.theme=dark?'light':'dark';updateThemeBtn();}
     updateThemeBtn();

layouts/_default/single.html

@@ -1,7 +1,7 @@
 {{ define "title" }}{{ .Title }} | {{ .Site.Title }}{{ end }}
 
 {{ define "main" }}
-    <div class="coc-box">
+    <div class="coc-box" data-raw-content="{{ .RawContent }}">
         <button class="copy-btn" onclick="copyCoC()">[copy]</button>
         {{ .Content }}
     </div>