Add option to disable SSL verification on check-records.sh

This is useful for local/development instances that have self-signed certificates and thus wouldn't pass the SSL check

health/README.md

@@ -12,6 +12,7 @@ In the end, a short summary is shown about how many records were fine and how ma
 
 ### Prerequisites
 
+* `bash`
 * `jq`
 * `curl`
 
@@ -25,4 +26,7 @@ In the end, a short summary is shown about how many records were fine and how ma
 # alternative to above
 export BASE_URL=inveniordm.web.cern.ch
 ./check-records.sh
+
+# disable SSL check for local instance
+./check-records.sh -k https://localhost
 ```