api/reddit: add support for mobile links & bunch of other links (#1098)

* api/reddit: extract params from a mobile share link

* api/reddit: add support for a bunch of links & update the api endpoint

also fixed "undefined" in a filename when downloading a user post

* api/service-patterns: fix reddit id pattern

api/src/processing/service-config.js

@@ -65,8 +65,21 @@ export const services = {
     },
     reddit: {
         patterns: [
+            "comments/:id",
+
+            "r/:sub/comments/:id",
             "r/:sub/comments/:id/:title",
-            "user/:user/comments/:id/:title"
+            "r/:sub/comments/:id/comment/:commentId",
+
+            "user/:user/comments/:id",
+            "user/:user/comments/:id/:title",
+            "user/:user/comments/:id/comment/:commentId",
+
+            "r/u_:user/comments/:id",
+            "r/u_:user/comments/:id/:title",
+            "r/u_:user/comments/:id/comment/:commentId",
+
+            "r/:sub/s/:shareId"
         ],
         subdomains: "*",
     },