You can Dev the Sol file with Remix (Web3 Injected) (The Vote.sol based on the template Owner.sol) (Link to import from github in remix: https://github.com/FreeSoftwareDevlopment/simple-yes-no-vote-app-based-on-ethereum-and-metamask/blob/main/Vote.sol)
In the pages ABI field, you copy the complete content of this file, in the field Contract Adress you enter the adress of the contract that you can copy from the deployed app
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