Update list of domains for pulling Reddit comments

src/invidious/comments.cr

@@ -247,7 +247,8 @@ def fetch_reddit_comments(id, sort_by = "confidence")
   client = make_client(REDDIT_URL)
   headers = HTTP::Headers{"User-Agent" => "web:invidious:v#{CURRENT_VERSION} (by /u/omarroth)"}
 
-  query = "(url:3D#{id}%20OR%20url:#{id})%20(site:youtube.com%20OR%20site:youtu.be)"
+  # TODO: Use something like #479 for a static list of instances to use here
+  query = "(url:3D#{id}%20OR%20url:#{id})%20(site:invidio.us%20OR%20site:youtube.com%20OR%20site:youtu.be)"
   search_results = client.get("/search.json?q=#{query}", headers)
 
   if search_results.status_code == 200