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$ yarn install
$ yarn start
And then, open http://localhost:3000/.
After the instruction of "Develop swr-devtools-panel", open chrome://extensions/ on Chrome and select the dist/ directory from the Load unpacked button.
See more details on https://developer.chrome.com/docs/extensions/mv3/getstarted/.
After the instruction of "Develop swr-devtools-panel", run yarn workspace swr-devtools-extensions start:firefox.