Add support for loading personal token from environment variable or `.env` file

[mcaskill]

Changed:

• Plugin requires vlucas/phpdotenv v4 or v5.
• Config will load Dotenv if a .env file exists in the current working directory.
• Config will look for $_ENV['ENVATO_TOKEN'].

Alternatively, instead of requiring vlucas/phpdotenv, we could add conflict and suggest entries to the composer.json and check if the class exists before attempting to load Dotenv.

[szepeviktor]

This is a very nice feature. Let the major version be raised!

Thank you.

[mcaskill]

[…] instead of requiring vlucas/phpdotenv, we could add conflict and suggest entries to the composer.json and check if the class exists before attempting to load Dotenv.

What do you think about this proposal?

For those that define their environment variables outside of a .env file, skips the extraneous extra dependency.

[szepeviktor]

skips the extraneous extra dependency

We should not be that top notch!

[szepeviktor]

Thank you Chauncey!