Fixed hot reload

Updated webpack config to resolve hot reload issue

Updated dependencies, fixed scripts

Updated packages to latest
Fixed package.lock
Updated scripts and webpack configs

Add GLTF model loading, update Three.js to latest

• Updated all dependencies to latest
• Fixed deprecation issues with new Three.js version
• Replaced uglifyJs with Terser
• Set up GLTF loader
• Set up switching between normal object loading or GLTF loading
• More GUI options
• Updated stats
• Fixed mesh helper tools

Updated packages

Updated some packages to latest. Fixed issues with more recent versions of Node.

Updated and added packages, set up chunking and minification, refactored asset building

• Updated all packages to latest.
• Set up chunking and minification in webpack.
• Set up sass-loader inside of webpack instead of relying on node-sass for compiling.
• Added html-webpack-plugin to generate index html.
• Added autoprefixing via postcss.
• Refactored public directories. Separated js and css from assets and set only that directory to be copied over.
• Fixed up build process to remove dev files from being carried over.

Updated dependencies

Biggest update is migrating to Webpack 4. Also switched to use babel-preset-env and added in webpack-cli. Other changes:

• Updated all other dependencies to latest (webpack-dev-server to beta to work with webpack 4)
• Fixed and updated webpack package scripts
• Refactored stats to its own component