add phantomjs requirement via node

[bnchdrff]

this way, we can use npm install to get phantomjs & user does not have to manually dl this requirement

[jaycatsby]

Hey @bnchdrff ,
After installing phantomjs through npm install with the package.json in my project direct, I'm getting the following error when running the kresge-scraper.py:

FileNotFoundError: [WinError 2] The system cannot find the file specified

which references to files:
..\dledger\lib\site-packages\selenium\webdriver\common\service.py &
\Local\Programs\Python\Python36-32\lib\subprocess.py...

Also, I'm concurrently getting an exception with the error above:

File "scrapers/kresge-scraper.py", line 31, in init_driver
   driver = webdriver.PhantomJS(executable_path=PHANTOM_DRIVER)
File "C:\Users\Jay\Desktop\dledger\lib\site-packages\selenium\webdriver\phantomjs\webdriver.py", line 52, in __init__self.service.start()
File "C:\Users\Jay\Desktop\dledger\lib\site-packages\selenium\webdriver\common\service.py", line 81, in start os.path.basename(self.path), self.start_error_message)

selenium.common.exceptions.WebDriverException: Message: 'phantomjs' executable needs to be in PATH.

To resolve these issues, should I be setting the directory path to the phantomjs installed in node_modules/.bin or the lib\site-packages\selenium\etc.....? I've tried variations of both but not sure if I'm directing to the correct webdriver file...

OR would it be better for me to take on a similar approach to how @hampelm built the knight-scraper by setting up an index.js with python-shell...?

Thank you!