docs: Fix a few typos

[timgates42]

There are small typos in:

• docs/releases/django-rest-pandas-0.3.2.md
• docs/releases/django-rest-pandas-0.5.0.md
• docs/renderers/csv.md

Fixes:

• Should read tabular rather than tablular.
• Should read compatibility rather than compatiblity.
• Should read browsable rather than browseable.

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