Proposing a PR to fix a few small typos

[timgates42]

Issue Type

[x] Bug (Typo)

Steps to Replicate and Expected Behaviour

• Examine bookie/tests/test_utils/test_imports.py and observe descriptioin, however expect to see description.
• Examine bookie/models/stats.py and observe syste, however expect to see system.
• Examine bookie/views/api.py and observe specifed, however expect to see specified.
• Examine extensions/chrome_ext/chrome.js and observe reprsent, however expect to see represent.
• Examine bookie/models/fulltext.py and observe performaing, however expect to see performing.

Notes

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

To avoid wasting CI processing resources a branch with the fix has been
prepared but a pull request has not yet been created. A pull request fixing
the issue can be prepared from the link below, feel free to create it or
request @timgates42 create the PR.

https://github.com/timgates42/Bookie/pull/new/bugfix_typos

Thanks.