Adding malloy as alternative to SQL in Evidence

[szawadski]

Feature Description

Adding malloy as alternative to SQL in Evidence.
https://www.malloydata.dev/

Goal of Feature

Allow to benefit from semantic layers created in malloy and easing the creation of dashboards using the malloy instead of SQL

Current Solution / Workarounds

Writing SQL.
See in the getting started guide how malloy compares to SQL in readibility and simplicity once a model is defined.
https://malloydata.github.io/documentation/user_guides/malloy_by_example

Alternatives

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