Add videakid as an alias for videa
diff --git a/youtube_dl/extractor/videa.py b/youtube_dl/extractor/videa.py
index 311df58f4a0..d0e34c81980 100644
--- a/youtube_dl/extractor/videa.py
+++ b/youtube_dl/extractor/videa.py
@@ -16,7 +16,7 @@
 class VideaIE(InfoExtractor):
     _VALID_URL = r'''(?x)
                     https?://
-                        videa\.hu/
+                        videa(?:kid)?\.hu/
                         (?:
                             videok/(?:[^/]+/)*[^?#&]+-|
                             player\?.*?\bv=|
@@ -31,7 +31,7 @@ class VideaIE(InfoExtractor):
             'id': '8YfIAjxwWGwT8HVQ',
             'ext': 'mp4',
             'title': 'Az őrült kígyász 285 kígyót enged szabadon',
-            'thumbnail': 'http://videa.hu/static/still/1.4.1.1007274.1204470.3',
+            'thumbnail': r're:^https?://.*',
             'duration': 21,
         },
     }, {
@@ -43,6 +43,15 @@ class VideaIE(InfoExtractor):
     }, {
         'url': 'http://videa.hu/player/v/8YfIAjxwWGwT8HVQ?autoplay=1',
         'only_matching': True,
+    }, {
+        'url': 'https://videakid.hu/videok/origo/jarmuvek/supercars-elozes-jAHDWfWSJH5XuFhH',
+        'only_matching': True,
+    }, {
+        'url': 'https://videakid.hu/player?v=8YfIAjxwWGwT8HVQ',
+        'only_matching': True,
+    }, {
+        'url': 'https://videakid.hu/player/v/8YfIAjxwWGwT8HVQ?autoplay=1',
+        'only_matching': True,
     }]
 
     @staticmethod

It seems that `videakid.hu` is just an alternative domain for `videa.hu`
serving up the same videos, supporting the same download procedure.

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