GLTFLoader: Fix handling of GLTF files with optional KTX2 extensions

Docs: Make list.js to a JSON file.

TS: Add mouseButtons to TrackballControls

Docs: Remove obsolete list.js import.

Editor: Make playback speed of animations configurable.

Examples: Make files and tags to JSON files.

Fix ReferenceError in check-coverage.js

MaterialLoader: Make parse() more robust.

Docs(zh):Modify the convenient Chinese interpretation of fromArray in Euler

Docs(zh): Remove a duplicate word

Examples: Clean up.

"颜色" was duplicated.

Ensure the fiddle uses `let` instead of `var`.

Editor: Change color picker to realtime

Docs: Added missing Doctype

TS: Add missing DataTexture2DArray declaration

An html5 doctype declaration was missing.

Editor: Fix ViewHelper with translated camera.