Adding a Markdown/HTML Preview Feature

I open-sourced a markdown-html-converter a few weeks ago, and I've added a simple but powerful feature to it: Preview HTML:

https://github.com/DoctorLai/markdown-html-converter/issues/7

Core changes is just this few lines:

See it live: https://doctorlai.github.io/markdown-html-converter/

Steem to the Moon🚀!

• You can rent Steem Power via rentsp!
• You can swap the TRON:TRX/USDT/USDD to STEEM via tron2steem!
• You can swap the STEEM/SBD to SUI via steem2sui!
• You can swap the STEEM/SBD to SOL Solana via steem2sol!
• You can swap the STEEM/SBD to ETH Ethereum via steem2eth!
• You can swap the STEEM/SBD to Tether USDT (TRC-20) via steem2usdt!
• You can swap the STEEM/SBD to TRX (TRON) via steem2trx!
• You can swap the STEEM/SBD to BTS (BitShares) via steem2bts!
• Register a free STEEM account at SteemYY!
• Steem Block Explorer
• ChatGPT/Steem Integration: You can type !ask command to invoke ChatGPT
• Steem Witness Table and API
• Other Steem Tools