Done with the samples, and can be released as first version!

templates/posts/my-fIrst-post.html

@@ -2,6 +2,7 @@
 
 {% block content %}
 <link rel="stylesheet" href="{{ url_for('static', filename='css/post.css') }}">
+<script src="{{ url_for('static', filename='script/image_viewer.js') }}"></script>
 <main class="main">
     <section class="intro">
         <h1></h1>
@@ -49,7 +50,7 @@
             <div class="step-content">
                 <h3></h3>
                 <p></p>
-                <pre><code class="language-gdscript"></code></pre>
+                <pre><code class="language-gdscript"><button class="copy-btn" onclick="copyToClipboard(this)">Copy</button></code></pre>
             </div>
         </article>
 
@@ -58,7 +59,7 @@
             <div class="step-content">
                 <h3></h3>
                 <p></p>
-                <pre><code class="language-gdscript"></code></pre>
+                <pre><code class="language-gdscript"><button class="copy-btn" onclick="copyToClipboard(this)">Copy</button></code></pre>
             </div>
         </article>