feat: standardised CI/CD for smaller packages

[grabbou]

This PR upgrades CI/CD setup based on prior work in widgets, web3-react and interface.

In a follow-up PR, prettier setup will be migrated over to Uniswap ESLint configuration and to use ESLint for linting for wider coverage.

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Semantic release hasn't been tested yet. This PR is still a concept.

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Action items:

• Investigate maintenance options
• Where to place README explaining the workflow and actions (and link them with the actions here)