Preserve <script> in the body and detect LiveReload.js to avoid multiple refreshes
Preserve <script> in the body and detect LiveReload.js to avoid multiple refreshes

Resolves #8

rotty3000/asciidoctor-chrome-extension,asciidoctor/asciidoctor-chrome-extension,Mogztter/asciidoctor-chrome-extension,asciidoctor/asciidoctor-chrome-extension,bbucko/asciidoctor-chrome-extension,rotty3000/asciidoctor-chrome-extension,bbucko/asciidoctor-chrome-extension,bbucko/asciidoctor-chrome-extension,Mogztter/asciidoctor-chrome-extension,asciidoctor/asciidoctor-chrome-extension,rotty3000/asciidoctor-chrome-extension