* feat(add): add support for naming pinned CID
Signed-off-by: kapil <kapilsareen584@gmail.com>
* fix(add): no double pinning and simplify pin-name
- modify PinRoot to accept name parameter, eliminating double pinning
- remove automatic filename fallback logic for cleaner behavior
- only create named pins when explicitly requested via --pin-name=value
- replace NoPinName constant with idiomatic empty string literals
- Update help text and tests to reflect explicit-only behavior
* docs: changelog
* chore: lint
* test: negative case for empty pin-name
* chore: gofmt
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Signed-off-by: kapil <kapilsareen584@gmail.com>
Co-authored-by: Marcin Rataj <lidel@lidel.org>
