"Coming from Solidity" page

[anton-trunov]

It should be presented in the form of a tutorial showing how to port a real-world Solidity smart contract to Tact.

This is related to #54, but for those familiar with how to program for the Ethereum blockchain.

Useful links:

• https://github.com/ton-community/ton-docs/pull/636
• Six unique aspects of TON Blockchain that will surprise Solidity developers
• https://docs.ton.org/develop/ethereum-to-ton/solidity-vs-func
• https://docs.ton.org/develop/smart-contracts/security/secure-programming

The page should also show there are some analogues of Ethereum/Solidity tools:

• https://github.com/nowarp/misti (which is like Slither)