feature/process-script

[Menghang01]

No description provided.

[Socret360]

1. Allow user to pass in input directory and output directory from command line. See evaluation.py as reference.
2. Use glob to list files in directory. See feature/cleanup-script as reference.
3. To crop a text box, use opencv tool called warped perspective.
4. Save each text box as index of the file name. (Ex: filename_0.jpg for first textbox in filename.jpg)
5. Add third parties libraries that you use in requirements.txt. (opencv & numpy)