docs(demo): use clean URLs for links to Amazon

apps/edit-docs/demo/root/Trilium Demo/Formatting examples/Code blocks.html

@@ -27,6 +27,14 @@
 
 
 
+
+
+
+
+
+
+
+
 	alert("Hello world");
 
 
@@ -35,6 +43,14 @@
 
 
 
+
+
+
+
+
+
+
+
 }</code></pre>
         <p>For larger pieces of code it is better to use a code note, which uses
           a fully-fledged code editor (CodeMirror). For an example of a code note,