moving env variable instructions to linux and macos only (DataDog#6444)

[DOCS-421] DogStatsD standalone package (DataDog#6455)

* adds information about dogstatsd standalone packages

* Update content/en/agent/_index.md

Co-Authored-By: ruthnaebeck <[email protected]>

* Update content/en/agent/_index.md

Co-Authored-By: ruthnaebeck <[email protected]>

Co-authored-by: ruthnaebeck <[email protected]>

Multi-Org API error note (DataDog#6454)

* Added note for child org

* Update content/en/api/usage/usage_multi_org.md

Co-Authored-By: ruthnaebeck <[email protected]>

Co-authored-by: ruthnaebeck <[email protected]>

Merge pull request DataDog#6413 from DataDog/pcarioufr/exlusionFIlter…

…Attributes

exclusion filter by attributes & refurbish

Merge pull request DataDog#6449 from DataDog/guacbot/translation-2020…

…0121125657

Translation PR

Merge pull request DataDog#6446 from DataDog/guacbot/translation-2020…

…0121083404

Translation PR

Merge pull request DataDog#6410 from DataDog/gus/importing-amazon-eks

[DOCS-528] Import amazon eks doc

Merge pull request DataDog#6441 from DataDog/guacbot/translation-2020…

…0120135445

Translation PR

Merge pull request DataDog#6423 from DataDog/gus/removing-outdated-files

Fix outdated files

DOCS-527 Cluster Agent commands (DataDog#6437)