token generator

1. Create Credentials

• Login into cloud console and create a project if don't have one.
• Go to APIs & Services and enable the Gmail, Calendar, Google Docs and Drive APIs,
• Go to OAuth consent screen and setup the concent screen.
• Go to Credentials > Create Credentials > OAuth client ID and create credentials by selecting Web Application type. Make sure http://localhost:7000/callback-gl is at the top in the list of Authorized redirect URIs.

2. Generate Tokens

• Download the newly created credentials as JSON.
• Clone the token generator repo and put the credential file at the root of the project. Rename the credential file to credentials.json.
• Run the project and follow the steps. Tokens generated to a new file called token.json.