envio init overwrites .env

[0xCucurbitaceae]

Describe the bug
When running envio init in an existing directory, it wipes
To Reproduce
Steps to reproduce the behavior:

E.g.

1. Create a .env with values
2. run envio init and complete the steps
3. Open your .env
4. .env only contains your API key

Expected behavior
It should append to the file, not overwrite it

Local (please complete the following information):

• Envio version: 3.0.0-alpha.17, but i think i've seen this on v2 as well
• Node version
• pnpm version
• Docker version (if running locally)

Hosted Service (please complete the following information):

• Envio version
• Link to the deployed indexer

Additional context
Add any other context about the problem here.