* add workflow
* branches:
- snap_addition
* Add snap package build workflow
* Add snap package build master, staging
* snap version from Cargo.toml
* Seems like staging branch should have grade: devel quality level
* Set snap grade based on branch
* add multi arch
* Update snap.yaml
* snap: use arm platform for arm build
* snap: multi platform ci build
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Co-authored-by: ardocrat <ardocrat@gri.mw>