Feat datadog adapter

[professorabhay]

Added datadog adaptor as per -> Improve Appwrite Logging with Datadog Adapter #4204

[professorabhay]

appwrite/appwrite#4204

[professorabhay]

Fixes appwrite/appwrite#4204

[PineappleIOnic]

Could you please take a look at the tests and fix the ones related to your adapter? Ignore the other ones as we'll fix those soon ourselves.

First to check the static analysis run:

docker run --rm --interactive --tty \
  --volume $PWD:/app \
  composer check

then for your normal tests run:

docker run --rm --interactive --tty \
  --volume $PWD:/app \
  ./vendor/bin/phpunit tests/e2e/Adapter/DatadogTest.php

Optionally if you don't have docker installed feel free to use GitPod to run these commands.

[gewenyu99]

Hey there! There were a lot of big PRs during this Hacktoberfest, and we wanted to give everyone ample time to collaborate with our engineering team. If you were able to merge your PRs during October, amazing. If it’s still not merged, don’t worry about it either. Either way, we’ve got your Hacktoberfest swag minted and ready to ship.

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