Fix displaying the footer content

tedimg/__init__.py

@@ -9,7 +9,7 @@ app.config.update(
     SITE_NAME=os.environ.get("SITE_NAME", "TedImg"),
     SOURCE_URL="https://forge.tedomum.net/tedomum/tedimg",
     HELP_URL="https://forge.tedomum.net/tedomum/tedimg",
-    FOOTER_CONTENT="",
+    FOOTER_CONTENT=os.environ.get("FOOTER_CONTENT", ""),
     FULL_STORAGE=os.environ.get("FULL_STORAGE", "/data"),
     THUMB_STORAGE=os.environ.get("THUMB_STORAGE", "/data/thumb"),
     FULL_WEB=os.environ.get("FULL_WEB", "data"),

tedimg/templates/base.html

@@ -19,8 +19,8 @@
   <footer class="page-footer blue">
     <div class="footer-copyright">
       <div class="container">
-      <span>{{ config["FOOTER_CONTENT"] }}</span>
-      <span class="right"><i class="material-icons tiny">call_split</i> <a class="white-text" href="{{ config["SOURCE_URL"] }}">the code</a>.</a>
+      <span>{{ config["FOOTER_CONTENT"] | safe }}</span>
+      <span class="right"><i class="material-icons tiny">call_split</i> <a class="white-text" href="{{ config["SOURCE_URL"] }}">the code</a>.
       </div>
     </div>
   </footer>