Common packages for Go projects.

• clock: Basic interface for getting the current time, including a frozen implementation.

• collections: Collection utility functions using Go generics.

• encryption: Simpler but limited wrappers of common encryption algorithms.

• jwt: JSON Web Token generator and validator.

• logger: Simple logging interface.

• middleware: Useful HTTP middleware functions.

• password: Password hashing and validation functions.

• respond: Quick HTTP response writers.

• system: Dependency injection interface.

• validator: Struct validation library based on struct tags.