Update MANIFEST.in so all resources are installed

[JKL98ISR]

Currently when installing via the command:
pip install git+https://github.com/leondz/garak.git only some resources are downloaded. .i.e *.tsv resources are missing

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[JKL98ISR]

I have read the DCO Document and I hereby sign the DCO

[leondz]

thanks for the catch! will take a look

[jmartin-tech]

recheck

[leondz]

made some refactoring changes - @JKL98ISR does this look good to you?

(base) 17:24:38 x1:~/dev/garak [main] $ gh pr checkout 660
Switched to branch 'patch-1'
(base) 17:24:52 x1:~/dev/garak [patch-1] $ flit build
Found 293 files tracked in git                                                                                                     I-flit.sdist
Built sdist: dist/garak-0.9.0.12.post1.tar.gz                                                                                 I-flit_core.sdist
Copying package file(s) from /tmp/tmpvqsdgzrn/garak-0.9.0.12.post1/garak                                                      I-flit_core.wheel
Writing metadata files                                                                                                        I-flit_core.wheel
Writing the record of files                                                                                                   I-flit_core.wheel
Built wheel: dist/garak-0.9.0.12.post1-py3-none-any.whl                                                                       I-flit_core.wheel
(base) 17:24:57 x1:~/dev/garak [patch-1] $ cd dist
(base) 17:24:58 x1:~/dev/garak/dist [patch-1] $ tar zxf garak-0.9.0.12.post1.tar.gz 
(base) 17:25:03 x1:~/dev/garak/dist [patch-1] $ cd garak-0.9.0.12.post1/
(base) 17:25:07 x1:~/dev/garak/dist/garak-0.9.0.12.post1 [patch-1] $ cd garak/
(base) 17:25:10 x1:~/dev/garak/dist/garak-0.9.0.12.post1/garak [patch-1] $ find . -name "*tsv"
./resources/book_cloze.tsv
./resources/nyt_cloze.tsv
./resources/guardian_cloze.tsv
./resources/book_cloze_80.tsv
./resources/misp_descriptions.tsv
(base) 17:25:14 x1:~/dev/garak/dist/garak-0.9.0.12.post1/garak [patch-1] $ 

[JKL98ISR]

Hi @leondz,
Yes it looks good
Thanks