sparkles v2.0.0

⚠ BREAKING CHANGES

• Use a Symbol for attaching the default namespace to the store
• Use a Symbol for attaching the store to the global (#9)
• Normalize repository, dropping node <10.13 support (#6)

Features

• Use a Symbol for attaching the default namespace to the store (2196fb1)
• Use a Symbol for attaching the store to the global (#9) (2196fb1)
• Use Symbol.for so other applications can create the same Symbol (2196fb1)

Miscellaneous Chores

• Normalize repository, dropping node <10.13 support (#6) (6d6f7a8)