v-3-use-darling

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[unreleased]

Features

• macro_rules examples - (c6ae3f1) - TeamMeng
• support EnumFrom macro - (f63de79) - TeamMeng
• support generics for EnumFrom - (0c7472d) - TeamMeng
• use darling to process EnumFrom macro - (878c108) - TeamMeng

Miscellaneous Chores

• init the project - (6aa8fe0) - TeamMeng

Refactoring

• change crate to proc-macro - (258ca4c) - TeamMeng