Fix critical off-by-one error

move gem dependencies into Dockerfile

Suggest image hosting service

Remove period from quotation

This caused students to think that the period should be part of the header.

Kramdown issue: https://github.com/gettalong/kramdown/issues/354

Minor improvements

Update 011-profile-page-2.md

Update 016-text.md

Update 001-hello-world.md

Trim leading and trailing whitespace for HTML/Body spec

Students will easily recognize which file to perform the exercise
within and the flattened bull...

Update README and LICENSE.

ignore files/directories for workshop

Instruct student to create index.html

Dockerfile + Log Formatter

Closes #2

These exercises allow the student to test their skills
when making a social media profile. They ...

This exercise has a little more information now and the
spec is more accurate and verbose.

I added a little more color to the body as well as
clarifying details. I also made the spec more...

I didn't change much, just smoothed out the edges.

I made it a bit more verbose and gave it a lead-in.

HTML exercises