Tags so far

Headings:

<%= erb "
Title of the page!
\n
Less important title
", layout: false %>

Paragraphs:

<%= erb "
Hello! This is a paragraph.
", layout: false %>

Links:

<%= erb "Click here!", layout: false %>

Images:

<%= erb "", layout: false %>

Lists

<%= erb "
\n  
First item
\n  
Second item
\n  
Third item
\n
", layout: false %>