polyglot/palette: Canvas as a frontend for polyglot

Alyssa Rosenzweig 882be1d4de Remove screenreader-only sections		7 роки тому
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alert.mustache	71c6e1bfd2 Transform mustache templates with stage 1	7 роки тому
alerts.mustache	882be1d4de Remove screenreader-only sections	7 роки тому