feat: add feature_flags parameter to the getSite endpoint (#466)

* feat: add feature_flags parameter to the getSite endpoint

* add .netlify to gitignore

* chore: testing x-internal on property

* feat: upgrade to new version of redoc cli, move parameter to only getSite

* feat: add filtering for x-internal

* run: make all

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Co-authored-by: Erik Westrup <erik.westrup@gmail.com>

Author: sarahetter

.gitignore

@@ -7,3 +7,5 @@ dist
 .gobincache
 swagger_flat.json
 swagger_go.json
+.netlify
+external.yml