added files to commit
added three worlds
added four worlds
enclosed folder
added second list
New files
Italics experiment
Underline experiment
Spelling corrected
Used strike-through (deprecated)
Added - monospace example
Format update
Subscript line added
Added - insert example
Added - larger text example (deprecated)
Added - smaller text example
Added - main menu (used div)
Added - content div
Added - SPAN example
Added - emphasized text example