sources: parse more profile url formats.

Add support for parsing these URL formats:

* https://www.artstation.com/felipecartin/profile
* https://www.deviantart.com/nlpsllp/gallery
* https://fantia.jp/asanagi
* https://www.lofter.com/front/blog/home-page/noshiqian
* https://www.lofter.com/app/xiaokonggedmx
* https://www.lofter.com/blog/semblance
* https://q.nicovideo.jp/users/18700356
* https://dic.nicovideo.jp/u/11141663
* https://3d.nicovideo.jp/users/109584
* https://3d.nicovideo.jp/u/siobi
* https://game.nicovideo.jp/atsumaru/users/7757217
* https://www.pixiv.net/user/13569921/series/81967
* https://pixiv.cc/zerousagi/
* https://www.plurk.com/u/ddks2923
* https://www.plurk.com/m/u/leiy1225
* https://www.plurk.com/s/u/salmonroe13
* https://www.plurk.com/RSSSww/invite/4
* https://skeb.jp/@okku_oxn/works
* https://www.tumblr.com/blog/view/artofelaineho/187614935612
* https://www.tumblr.com/blog/view/artofelaineho
* https://www.tumblr.com/blog/artofelaineho
* https://www.tumblr.com/dashboard/blog/dankwartart
* https://rosarrie.tumblr.com/archive
* https://whereisnovember.tumblr.com/tagged/art
* https://twitpic.com/photos/Type10TK
* https://www.weibo.com/detail/4676597657371957
* https://www.weibo.com/u/5957640693/home?wvr=5
* https://www.weibo.com/lvxiuzi0/home

app/logical/source/url/fantia.rb

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
-# Unparsed:
-# https://fantia.jp/asanagi
+# Unhandled:
+#
+# https://fantia.jp/commissions/64988
+# https://fantia.jp/profiles/tus_2n9n0fm05fizg
 
 class Source::URL::Fantia < Source::URL
   attr_reader :full_image_url
@@ -56,6 +58,11 @@ class Source::URL::Fantia < Source::URL
     in _, "fanclubs", /\d+/ => fanclub_id, *rest
       @fanclub_id = fanclub_id
 
+    # https://fantia.jp/asanagi
+    # https://fantia.jp/koruri
+    in _, username
+      @username = username
+
     else
     end
   end
@@ -77,7 +84,11 @@ class Source::URL::Fantia < Source::URL
   end
 
   def profile_url
-    "https://fantia.jp/fanclubs/#{fanclub_id}" if fanclub_id.present?
+    if fanclub_id.present?
+      "https://fantia.jp/fanclubs/#{fanclub_id}"
+    elsif username.present?
+      "https://fantia.jp/#{username}"
+    end
   end
 
   def work_id