docs(brownie): Add brownie quickstart tutorial

[Mackenzie-OO7]

Pull request checklist

Use the following template to make sure your PR fits the ConsenSys documentation standard.

Before creating the PR

Make sure that:

• [x] You've read the contribution guidelines.
• [x] You've previewed your changes locally.

Describe the change

Quickstart for deploying smart contracts with Brownie

Issue fixed

fixes #33

Impacted parts

For content changes:

• [x] Documentation content
• [ ] Documentation page organization

For tool changes:

• [ ] Build and QA tools
• [ ] Node dependencies and JavaScript
• [ ] GitHub integration

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• [x] You've fixed any issues raised by the tests.
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Name	Status	Preview	Comments	Updated (UTC)
doc-zk-evm	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 11, 2023 4:27pm

[mapachurro]

@Mackenzie-OO7: are you still looking for this PR to be merged?