Include py.typed in MANIFEST.in

[MaxwellPayne]

Fixes #470. This problem seems similar to one described in a similar httpx issue thread. Their ultimate solution led to a change to setup.py file, but since this project does not have a setup.py we can modify the MANIFEST.in instead to achieve the same results.

I ran the following commands, both before my change and after, to list out the results of the generated distribution:

python -m build . 
tar -xvf dist/pytest-redis-3.0.1.tar.gz 
ls -l pytest-redis-3.0.1/pytest_redis 

Final output before:

-rw-r--r--  1 max  staff   861 Apr 19 01:43 __init__.py
-rw-r--r--  1 max  staff  1527 Apr 19 01:43 config.py
-rw-r--r--  1 max  staff   343 Apr 19 01:43 exception.py
drwxr-xr-x  5 max  staff   160 Apr 19 01:46 executor
drwxr-xr-x  6 max  staff   192 Apr 19 01:46 factories
-rw-r--r--  1 max  staff  5021 Apr 19 01:43 plugin.py

Final output after:

-rw-r--r--  1 max  staff   861 Apr 19 01:43 __init__.py
-rw-r--r--  1 max  staff  1527 Apr 19 01:43 config.py
-rw-r--r--  1 max  staff   343 Apr 19 01:43 exception.py
drwxr-xr-x  5 max  staff   160 Apr 19 01:46 executor
drwxr-xr-x  6 max  staff   192 Apr 19 01:46 factories
-rw-r--r--  1 max  staff  5021 Apr 19 01:43 plugin.py
-rw-r--r--  1 max  staff     0 Apr 19 01:43 py.typed

The py.typed file is present in the "after" output as expected.

Chore that needs to be done:

• Add newsfragment pipenv run towncrier create [issue_number].[type].rst

Types are defined in the pyproject.toml, issue_numer either from issue tracker or the Pull request number

[fizyk]

Thank you @MaxwellPayne