feat: add B3 logo svg

[seangeng]

Description

Adding logo for the B3 network

Related issues

Fixes:

Manual testing steps

Go to add network

1. Add B3 network (https://docs.b3.fun)
2. B3 network should have a logo
3. B3 token should have a logo

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]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[gambinish]

CLA Signature Action:

Thank you for your submission, we really appreciate it. We ask that you read and sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just by adding a comment to this pull request with this exact sentence:

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

By commenting with the above message you are agreeing to the terms of the CLA. Your account will be recorded as agreeing to our CLA so you don't need to sign it again for future contributions to this repository.

0 out of 1 committers have signed the CLA. ❌ @seangeng

@seangeng Can you please sign the CLA agreement as directed in this comment? I think this should help get some CI tests to pass.

[seangeng]

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

[seangeng]

@gambinish hey sorry this got lost - but I resolved the merge conflict + signed the CLA.

How's it look from here?