feat: Support for EVM on Flow

[nialexsan]

Description

Adding support for EVM on Flow

Flow blockchain supports EVM as of September 2024
this PR adds EVM on Flow to the list of additional networks so users can easily add it to their network list

Related issues

Fixes: onflow/docs#1006

Manual testing steps

1. build the project with yarn dist and yarn dist:mv2
2. add the local build to a chrome based browser or a firefox based browser
3. open the Metamask extension
4. open switch network interface
5. there should be an EVM on Flow Mainnet chain in the list
6. clicking on it should successfully add it to the list of networks

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

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[nialexsan]

I have read the CLA Document and I hereby sign the CLA