Add a script for priming the cache

_support/cf-prime.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+(
+  echo https://devhints.io/
+  (
+    git ls-files \
+      | grep -E '\.md$' \
+      | grep -v -E 'CONTRIBUTING|README|Readme' \
+      | grep -v -E '^_' \
+      | sort \
+      | uniq \
+      | sed 's/\.md$//g'
+  ) \
+    | sed 's#^#https://devhints.io/#g'
+) \
+  | xargs curl >/dev/null