Update greeting message to version 3.00

Author: lidorg-dev

app.py

@@ -14,7 +14,7 @@ def elapsed():
 
 @app.route('/')
 def root():
-    return "Hello World -new version 2:00 BY Lidor (Python)! (up %s)\n" % elapsed()
+    return "Hello World -new version 3.00 BY Lidor (Python)! (up %s)\n" % elapsed()
 
 if __name__ == "__main__":
     app.run(debug=True, host="0.0.0.0", port=8080)