turn off vale

Signed-off-by: Alexa Kreizinger <[email protected]>

Author: alexakreizinger

CONTRIBUTING.md

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+<!-- vale off -->
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 # Contributing to Fluent Bit docs
 
 First of all, thanks for taking the time to read this guide. The fact that you're
@@ -191,3 +193,5 @@ suggestions, but doesn't block merging.
 
 Line wrap tests are off due to a GitBook decision that hard wraps the rendered page
 on line wraps in the markdown. This leads to rendered pages with awkward line wraps.
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+<!-- vale on -->