404 for documentation link in the readme

[NoahMarconi]

https://docs.ethers.io/ethers-app/dev-cli.html

404 Not Found

Code: NoSuchKey
Message: The specified key does not exist.
Key: ethers-app/dev-cli.html
RequestId: EE8B45476E575546
HostId: IIr0aFTtLjqX95wVP/y8QWwL8K2j/otqiFTTKXGle1evVzsEEvuTpE8s972tid83hFg0LBy6efw=
An Error Occurred While Attempting to Retrieve a Custom Error Document

Code: NoSuchKey
Message: The specified key does not exist.
Key: error.html

[naddison36]

@NoahMarconi the link is meant to be https://docs.ethers.io/ethers-app/html/dev-cli.html