Interact with OpenAI ChatGPT from the command line

In order to use this command line tool do the following:

1. Open an account on OpenAI and create an API Key:

• Create an account at https://platform.openai.com/signup
• Go to https://platform.openai.com/account/api-keys
• Click Create new secret Key
• Copy and save this key somewhere safe.
• In the terminal that you will execute this tool you need to set an environment variable as follows:
  • export OPENAI_API_KEY="<your secret key here>"

2. Install the Rust Language: See https://www.rust-lang.org/tools/install

3. Change directory into the root of this project and type "cargo run"

4. Enjoy!