Add helper script to add hydra client

test/create-hydra-client.sh

+#!/bin/bash
+
+KEY=$1
+SECRET=$2
+HOST=$3
+PORT=$4
+REDIRECT_URI=$5
+
+curl --header "Content-Type: application/json" \
+    --request POST \
+    --data "{\"client_id\": \"$KEY\", \"client_name\": \"$KEY\", \"client_secret\": \"$SECRET\", \"redirect_uris\": [\"$REDIRECT_URI\"], \"scope\": \"read\", \"grant-types\": \"authorization_code,refresh_token\", \"response_types\": [\"code\"], \"token_endpoint_auth_method\": \"client_secret_post\"}" \
+    http://$HOST:$PORT/clients