welcome and very interesting story.
looking forward to get some inspiration from you :)
Maybe this helps you out:
here is a guide on markup https://steemit.com/steemit/@fatboyjames/a-simple-guide-to-markup-styling-how-to-make-your-posts-more-attractive and markdown https://steemit.com/steemit/@thecryptofiend/markdown-basics-for-beginners