Omit source code link if SOURCE_CODE is falsey

src/p4/P4.svelte

@@ -205,8 +205,10 @@
         <span class="footer-spacer">-</span>
       {/if}
       <a href={FEEDBACK_PRIMARY.link}>{$_('p4.feedback')}</a>
-      <span class="footer-spacer">-</span>
-      <a href={SOURCE_CODE}>{$_('p4.sourceCode')}</a>
+      {#if SOURCE_CODE}
+        <span class="footer-spacer">-</span>
+        <a href={SOURCE_CODE}>{$_('p4.sourceCode')}</a>
+      {/if}
     </div>
     <div>
       <a href="https://docs.turbowarp.org/packager">{$_('p4.documentation')}</a>

src/packager/brand.js

@@ -16,7 +16,8 @@ Also make sure to update the "License" section in README.md
 ACCENT_COLOR is a color used in various parts of the interface and as the default value for the accent
 color option. It should be a 6-character hex color (#123abc)
 
-SOURCE_CODE is where users can find the app's source code. This link is included in the website.
+SOURCE_CODE is where users can find the app's source code. This link is included in the website's footer.
+If this is set to an empty string, the link is removed.
 
 FEEDBACK_PRIMARY and FEEDBACK_SECONDARY are feedback/bug report links shown in various places throughout the website.
 name is how they will be labelled in the interface and link is of course a URL