docs: Add in external resources for legacy content

Signed-off-by: Charlie Egan <charlie@styra.com>

Author: Charlie Egan

docs/static/_redirects

@@ -10,6 +10,13 @@
 /docs/latest/kubernetes-introduction/ /docs/kubernetes/
 /docs/latest/envoy-introduction/ /docs/kubernetes/
 
+# -----------------------------------------------------------------------------
+# Redirects for legacy usage external resources
+# -----------------------------------------------------------------------------
+
+/bundles/helm-kubernetes-quickstart /external-resources/bundles/helm-kubernetes-quickstart 301!
+/img/logos/opa-horizontal-color.png /external-resources/opa-horizontal-color.png 301!
+
 # -----------------------------------------------------------------------------
 # Redirects relating to client behavior
 # -----------------------------------------------------------------------------

docs/static/external-resources/README.md

@@ -0,0 +1,7 @@
+# external-resources
+
+This folder contains a number of resources that are referenced elsewhere on the
+internet in locations we do not control.
+
+When adding a file here, please make sure to add a redirect in the `_redirects`
+file to ensure that the file is accessible at the same URL as it was before.