feat: ext

[alswl]

add 3 extentions:

• file_choice_generator: choose a random line from a file
• file_seq_generator: choose files by sequence
• extracotr_cookie: extract cookie from HTTP header

How to use:

  - generators:
    - 'albumId': {type: 'file_choice', values: 'albumId.txt'}

  - extract_binds:
    - 'user_id': {'jsonpath_mini': 'data.user.id'}
    - 'sessionid': {'cookie': 'sessionid'}

[svanoort-jenkins]

Can one of the admins verify this patch?