Add HackerNews python plugin as the Demo.

Plugins/Wox.Plugin.HackerNews/main.py

@@ -0,0 +1,27 @@
+#encoding=utf8
+
+from __future__ import unicode_literals
+import requests
+from bs4 import BeautifulSoup
+import json
+import webbrowser
+from wox import Wox
+
+class HackerNews(Wox):
+
+    def query(self,key):
+        r = requests.get('https://news.ycombinator.com/')
+        bs = BeautifulSoup(r.text)
+        results = []
+        for i in bs.select(".comhead"):
+            title = i.previous_sibling.text
+            url = i.previous_sibling["href"]
+            results.append({"Title": title ,"IcoPath":"Images/app.ico","JsonRPCAction":{"method": "openUrl", "parameters": url}})
+
+        return results
+
+    def openUrl(self,url):
+        webbrowser.open(url)
+
+if __name__ == "__main__":
+    HackerNews()