Fix Search Console errors (#446)

* Redirect `/list(s)` to the Harikatha subscription page
* Fix the Feedback link on the audio page. This fixes an issue left after #352 (`env` global was removed).

firebase.json

@@ -17,6 +17,13 @@
           }
         ]
       }
+    ],
+    "redirects": [
+      {
+        "source": "/list*",
+        "type": 302,
+        "destination": "https://view.flodesk.com/pages/6454088302298deb828d9ab0"
+      }
     ]
   },
   "emulators": {

frontend/src/audio.11tydata.js

@@ -12,6 +12,9 @@ module.exports = {
     // Download URL
     fileUrl: (data) =>
       `${process.env.STORAGE_BASE_URL}/${data.audio.fileId}.mp3`,
+    // Computing the Feedback URL here because the env variables are not available in templates
+    feedbackUrl: (data) =>
+      `${process.env.FEEDBACK_FORM_AUDIOS}${data.audio.fileId}`,
     // Compiling content details for the audio player
     contentDetails: ({
       audio: {

frontend/src/audio.html

@@ -133,7 +133,7 @@ <h1 class="text-xl font-bold">{{ audio.title }}</h1>
       </a>
       <!-- Feedback -->
       <a
-        href="{{ env.FEEDBACK_FORM_AUDIOS }}{{ audio.fileId }}"
+        href="{{ feedbackUrl }}"
         target="_blank"
         class="inline-flex items-center space-x-1"
         title="Help us improve! Give feedback about the sound quality, title, contents, language, etc of this file"