Change directory structure

_includes/head.html

_posts/2020-05-03-top-ten-latex-packages.md

_posts/2020-05-11-gitlab-ci-latex-pipeline.md

_posts/2020-05-16-latex-test-cases.md

_posts/2020-06-06-latex-optimizer.md

assets/css/fonts.css

assets/css/github.css

assets/css/main.scss

assets/images/balance.png

assets/images/booktabs.png

assets/images/edas-pain.png

assets/images/extremesavetrees.png

assets/images/flushend.png

assets/images/gitlab-pipeline-simple.svg

assets/images/gitlab-pipeline.png

assets/images/hyperopt_solutions.png

assets/images/ieee-1.png

assets/images/latex-dev-env.png

assets/images/latex_comp_time_pdf.png

assets/images/latex_nightmares-0.png