qweered

Make nixpkgs' `allowUnfree` default to true.

This is what github:numtide/nixpkgs-unfree does, minus the second nixpkgs
instance: that flake is `import nixpkgs { config.allowUnfree = true; ... }`
re-exposed as `legacyPackages`, so it carries no nixpkgs source tree of its
own -- nixpkgs-patcher and `nixpkgs.flake.source` both need a real tree, and
its GitHub tarball pin would not share a store path with our channel tarball.

`nixpkgs.config.allowUnfree` already covers the system closure. What this
patch adds is the ad-hoc CLI: `nixpkgs.flake.source` pins the registry and

qweered

/*For tailwind*/
*,
*::before,
*::after {
    position: relative; /* make absolutely positioned elements relative to their parent by default */
    margin: 0;
    min-width: 0; /* prevent flex items from overflowing horizontally */
    min-height: 0; /* prevent flex items from overflowing vertically */
    padding: 0;
    border-radius: 0;