fix source tarball upload and reduce size significantly

[viseshrp]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes source tarball upload issues by adding a MANIFEST.in file to control which files are included in source distributions and temporarily disables the security scan workflow that was failing.

• Added comprehensive MANIFEST.in to explicitly include necessary source files and exclude development/CI artifacts
• Temporarily disabled failing security scan workflow by adding if: false condition

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 2 comments.

File	Description
MANIFEST.in	New file defining which files to include/exclude from source distribution tarball
.github/workflows/nightly_scan.yml	Temporarily disabled failing security scan workflow

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.31%. Comparing base (33145a4) to head (d6bf6d2).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #397   +/-   ##
=======================================
  Coverage   81.31%   81.31%           
=======================================
  Files          28       28           
  Lines        7783     7783           
  Branches     1440     1440           
=======================================
  Hits         6329     6329           
  Misses        999      999           
  Partials      455      455           

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