add deploy & call in hello world

[xhliu]

Users may just wanna see the whole workflow, not just the contract. https://scrypt.io/scrypt-ts/tutorials/hello-world

• Show the final contract, not intermediate steps
• create an address & fund it thru a faucet: with snapshot https://github.com/sCrypt-Inc/scryptTS-docs/issues/61
• deploy it and watch it in woc: snapshots
• call it and watch it in woc

[xhliu]

https://www.web3.university/tracks/create-a-smart-contract/deploy-your-first-smart-contract

[xhliu]

Use the following Hash puzzle contract helloworld as y, not Demo.

@method
public unlock(y: ByteString) {
  assert(this.x == sha256(y))
}

[xhliu]

@zhfnjust

• [x] Take snapshot for https://github.com/sCrypt-Inc/scryptTS-docs/issues/61
• [x] Update the contract according to https://github.com/sCrypt-Inc/scryptTS-docs/commit/08f451a287f11f41f57b48410a2644a3ec50bf6c
• [x] hello-world, helloWorld -> helloworld
• [x] update all 3 pics, also circle txids

[xhliu]

[xhliu]

Update the link from test to deploy page.