🛠️ upgrade `decadal` setup rule to make it consistent with configurat…

…ion.

📃 update docs

Merge pull request #178 from SylarLong/feat-165

Feat: global configuration & plugin support

Merge pull request #162 from SylarLong/fix-161

fix: incorrect original palace data

Merge pull request #158 from SylarLong/feat-157

🪄 add 12 palaces for age

Merge branch 'main' of github.com:SylarLong/iztro

Merge pull request #96 from SylarLong/fix-95

fix incorrect ages

Merge pull request #93 from SylarLong/feat-92

🪄 add empty palace verification #92

🧹 upgrade readme and UT

🧹 add token