1.9.4

What's Changed

• Remove Bootstrap & jQuery dependencies by @xeolabs in #17
• Bump lodash from 4.17.15 to 4.17.19 by @dependabot in #35
• Section tool menu by @xeolabs in #40

Full Changelog: https://github.com/xeokit/xeokit-bim-viewer/commits/1.9.4