docs: Fix a few typos

[timgates42]

There are small typos in:

• README.rst
• docs/conf.py
• pypdfocr/pypdfocr_filer_evernote.py
• pypdfocr/pypdfocr_preprocess.py

Fixes:

• Should read will rather than wiill.
• Should read width rather than widht.
• Should read whether rather than wheter.
• Should read travel rather than travl.
• Should read that rather than shat.
• Should read password rather than passwrod.
• Should read otherwise rather than oherwise.

Semi-automated pull request generated by https://github.com/timgates42/meticulous/blob/master/docs/NOTE.md