Add support for symlink in package command (#120)

* Add support for symbolic links in package command

* Refactor symlink handling in package command

* Improve comment clarity for symlink handling in package command

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Co-authored-by: 王智勇 <tomwang@yunify.com>

Merge pull request #119 from wansir/master

refactor: standardize resource naming and improve lint messages

Merge pull request #117 from stoneshi-yunify/master

support unpush package or directory

Merge pull request #115 from redscholar/fix-split

fix: split file use helm specs.

Merge pull request #106 from iawia002/cancel-submit

Add unpush subcommand to undo the submission

Merge pull request #105 from kubesphere/annotations

Support configuring annotations in extension.yaml

Merge pull request #103 from inksnw/master

Support opening extensions in link mode

Merge pull request #102 from iawia002/time

Display user's local time in the get command

Merge pull request #101 from iawia002/icon

Unify the parsing process of extension metadata

Merge pull request #97 from iawia002/icon

Handle icon correctly for the local environment