Quickstart Solidity Hardhad edits

[fionnachan]

Changes

• update deprecated command
  I got this on my console after initialising a project with yarn hardhat as mentioned on the docs. The command worked but it gives a warning.

  DEPRECATION WARNING
  
   Initializing a project with npx hardhat is deprecated and will be removed in the future.
   Please use npx hardhat init instead.
  

  now updated to yarn hardhat init
• following the instructions, i ran into an error after running yarn hardhat compile, but i didn’t expect it because i didn’t read the next line. Updated the text to tell users that it is expected to fail before running the command.
• MetaMask wallet import works with or without 0x prefix. Edited the instructions.

  Copy the private key of one of the test accounts (excluding the 0x prefix, so eg ac0..f80) and import it into Metamask:

• Added additional dependencies installation instructions before first contract deployment.
  when i tried to deploy the smart contract locally, i faced an error:
  TypeError: (0 , ethers_1.getAddress) is not a function
  relevant stackoverflow issue:
  https://ethereum.stackexchange.com/questions/151234/followed-hardhat-test-tutorial-and-got-typeerror-0-ethers-1-getaddress-is
  turns out 4 months ago a new plugin is released by hardhat and is required for deploying contracts
  https://www.npmjs.com/package/hardhat-deploy-ethers
  after running yarn add --dev @nomicfoundation/hardhat-ethers ethers hardhat-deploy hardhat-deploy-ethers, the deployment was successful
• couldn't test out the contract on the docs UI. reworked the React code to make it work both for web2 and web3 demos.
  
• replace markdown table with HTML to allow a table cell to span across multiple columns.

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[github-actions]

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[symbolpunk]

LOVE it! Thanks so much for contributing to docs @fionnachan!