Initial of download TTV content

This release the first version to download story content from TTV to write it into html format which is ready to convert to other form of mobile reader.
To run, you need to open Command Prompt in the directory after extracting.
Run following command:
TTV.exe {user_id} {token} {story_id} {story_name}
To get above info please visit https://github.com/nguyenhuuduy6592/TTVApp/wiki/How-to-get-param-info-to-download-story.
Please wait for the message "Saved Current Work".
The output is in the same folder of the app.