Release v1.0.0

Release v1.0.0

This is the initial release of the env package, which provides a simple and convenient way to retrieve environment variables in Go. The package includes functions to retrieve environment variables of various data types, such as string, int, float64, bool, and time.Duration. It also includes a List function to parse a comma-separated list of environment variables into a slice.

Features:

• Added String function to retrieve a string value from an environment variable.
• Added Int function to retrieve an int value from an environment variable.
• Added Int64 function to retrieve an int64 value from an environment variable.
• Added Float64 function to retrieve a float64 value from an environment variable.
• Added Duration function to retrieve a time.Duration value from an environment variable.
• Added Bool function to retrieve a bool value from an environment variable.
• Added List function to retrieve a comma-separated list of values from an environment variable and parse them into a slice.
• Added Parser for String, Int, Int64, Float64, Bool, and time.Duration.