Fix Codecov Upload and Scripts

[appcypher]

Summary

This PR fixes the following issues

• Fix codecov upload
• Fix wnfs helper script

Moving the repo from previous org to the current one broke the codecov upload. This fixes that and also updates the helper script.

Test plan (required)

Manually testing the script.

• Optional, but you can cd into the project root directory and install the script

  sh scripts/wnfs.sh setup

• Building the sub projects with the script.

  wnfs build

• Running all tests with the script.

  wnfs test 

Closing issues

Fixes #8

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@7a89949). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main       #9   +/-   ##
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  Coverage        ?   80.42%           
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  Files           ?       10           
  Lines           ?      567           
  Branches        ?        0           
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  Hits            ?      456           
  Misses          ?      111           
  Partials        ?        0           

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