Dynamic load "user agent" on golang.

To start using "grua" you need:

• Install and configure the latest version of Golang
• To use "grua", add in import - "github.com/pifagor87/grua".
• Use grua.Random(pathToAgents). pathToAgents - it is path to file agents.json. We should be download this file here - github.com/pifagor87/user-agents/blob/master/agents.json.

Dependencies

• github.com/pifagor87/user-agents