Updated documentation and moved thebe_lite outside the book

DOCKER.md

README.md

build-book.sh

thebe_lite/106.index.js

thebe_lite/106.index.js.map

thebe_lite/328.thebe-lite.min.js

thebe_lite/328.thebe-lite.min.js.map

thebe_lite/330.index.js

thebe_lite/330.index.js.map

thebe_lite/562.thebe-lite.min.js

thebe_lite/562.thebe-lite.min.js.map

thebe_lite/609.thebe-lite.min.js

thebe_lite/609.thebe-lite.min.js.map

thebe_lite/686.thebe-lite.min.js

thebe_lite/686.thebe-lite.min.js.map

thebe_lite/THEBE_LITE.md

thebe_lite/_static/code.css

thebe_lite/_static/sphinx-thebe.js

thebe_lite/api/contents/all.json

thebe_lite/index.js