Merge branch 'develop' into DOC-493-IG

Author: forstisabella

.github/styles/Vocab/Docs/accept.txt

@@ -22,13 +22,15 @@ Amberflo
 Appboy
 Appsflyer
 async
+background(?:ed|ing)
 Blitzllama
 blocklist
 boolean
 Breyta
 Chargebee
 CloudFront
 Cocoapods
+Contentful
 Criteo
 csv
 deeplink
@@ -63,6 +65,7 @@ Kameleoon
 Kissmetrics
 Lightbox
 Littledata
+Mailchimp
 Mailmodo
 markdownify
 Marketo
@@ -72,6 +75,7 @@ middleware
 Middleware
 Mixpanel
 namespace
+Ninetailed
 Okta
 Omnichannel
 onboarding
@@ -83,6 +87,7 @@ Shopify
 Skalin
 Smartly
 Snapchat
+Spideo
 Subnet
 svg
 Totango
@@ -96,4 +101,5 @@ viewability
 waitlist
 WebKit
 Wootric
+Xcode
 Zendesk