✨ Feature Suggestion | Add the YaCy engine and enable it by default on your Searx instance

According to this comment searx/searx#912 (comment) - it is doable.
And by using the YaCy open source search engine (not meta-engine, but a real one) we're encouraging them to continue growing. We need more real search engines, not meta engines, so we gotta support them.

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I've first created this issue in privacytools / search but since that seems to be a ghost town, I've decided to duplicate it here as well.