Typo in intro to smart contracts documentation

[dallonasnes]

Introduction to Smart Contracts

https://github.com/ethereum/solidity/blob/v0.8.10/docs/introduction-to-smart-contracts.rst

Abstract

reasonably is misspelled in Intro to smart contracts doc
https://github.com/ethereum/solidity/blob/v0.8.10/docs/introduction-to-smart-contracts.rst

Pull request

#12308