Added create_skill to spotify skill and wikipedia

jarvis/skills/entertainement/spotify/__init__.py

@@ -38,3 +38,7 @@ class SpotifySkill(Skill, metaclass=SkillRegistering):
             print(song_name + " from " + artist)
 
         print("[INFO INTENT] - Current playback :  music for Spotify")
+
+
+def create_skill():
+    return SpotifySkill()

jarvis/skills/research/wikipedia/__init__.py

@@ -11,3 +11,7 @@ class WikipediaSkill(Skill, metaclass=SkillRegistering):
     @intent_handler(IntentBuilder("WikipediaQueryIntent").require("Wikipedia").require("ArticleTitle"))
     def handle_wikipedia_query_intent(self, data):
         print("Handle Wikipedia Query Intent Method")
+
+
+def create_skill():
+    return WikipediaSkill()