improve crowdsec example and disable modsec logging when not necessary

examples/crowdsec/bouncer_key.sh

@@ -1,3 +1,23 @@
 #!/bin/sh
 
+# first, you need to run the crowdsec service
+echo "running crowdsec service ..."
+docker-compose up -d mycrowdsec
+
+# wait a little until it's up
+sleep 10
+
+# get the bouncer key
 docker-compose exec mycrowdsec cscli bouncers add MyBouncer
+
+# enter the key into the CROWDSEC_KEY environment variable
+read -p -s "edit CROWDSEC_KEY env var in docker-compose.yml file and press enter"
+
+# start all services
+docker-compose up -d
+
+# wait a little until it's up
+sleep 10
+
+# restart crowdsec so it reads the log files
+docker-compose restart mycrowdsec