Move network configuration to `.env` file

[chiro-hiro]

Right now the network binding was hardcode in the main.rs we should move it to better place.

[postmeback]

I can find 2 main.rs file. One is under the migration folder. Which one should I consider ?

[postmeback]

@chiro-hiro

Also after downloading, getting this error

Can you suggest any help ?

[chirojr]

Triage: Enhancement

Request to move network configuration to a .env file. Already labeled as enhancement and good first issue.

Classification: Enhancement