~fgaz/get-tested4nix

packages.default: use cleanSource
Add contributing section to readme
Add get-tested4nix executable
Add all-in-one function testCabalPackage
flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/daf7bb95821b789db24fc1ac21f613db0c1bf2cb' (2024-08-14)
  → 'github:NixOS/nixpkgs/76d7694a3f681b0b750c01783df5d2177ef39fe7' (2024-09-15)

Fixes doc generation
Append compiler names to derivation names

So you can better know what is being built.
Fix flake name in template
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