feat: add versioning tooltips microcopy (#643)

Author: wsocha

content/microcopy/reference.yml

@@ -241,6 +241,18 @@ pill:
     Pill added to deprecated endpoints and resources
   deprecated: Deprecated
 
+tooltip:
+  // beta: |-
+    Tooltip text for the beta pill
+  beta: |-
+    This is a beta version of the endpoint and thus may be subject to changes
+  // latest_version: |-
+    Tooltip text for the latest version pill
+  latest_version: This is the most recent stable version of the endpoint
+  // deprecated: |-
+    Tooltip text for the deprecated pill
+  deprecated: This version of the endpoint is deprecated
+
 sidebar:
   titles:
     // deprecated_entries: |-

content/microcopy/versions.yml

@@ -1,3 +1,9 @@
 ---
 // label: The prefix for the selected API version
 label: API version
+
+// about: Label of a link to the page about API versioning
+about: About Box API versioning
+
+// resource_version_tooltip: Tooltip text for resource version
+resource_version_tooltip: This resource is used by endpoints in version %s