* Make wgpu webgl/gles opt-in (but still work out of the box via feature flag), workaround canvas creation issue
* missing allow unsafe code annotations
* add breaking change not to eframe release notes
* Add --webgpu flag to build_demo_web.sh
* Improve CHANGELOG docs
* Clean up, and prepare for having to wasm:s
* put canvas without workaround under `if false`
* fix spelling
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Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>