docs: fix readme to match code

Signed-off-by: Boris Glimcher <Boris.Glimcher@emc.com>

README.md

@@ -406,20 +406,14 @@ MAC Address: 02:42:0A:7F:7F:04 (Unknown)
 Nmap done: 1 IP address (1 host up) scanned in 0.34 seconds
 ```
 
-## Run HTTP server only
+## Run HTTPs server only
 
 ```text
 docker-compose up --build web
 ```
 
-## Test HTTP server from agent
+## Test HTTPs server from agent
 
 ```text
-docker-compose run --rm -T agent curl --fail --key /private_key.pem --cert /my_cert.pem --cacert /opi.pem https://web:443/
-```
-
-OR
-
-```text
-docker run --network=sztp_opi --security-opt seccomp=unconfined -it --rm fedora:36 curl --fail https://web:443/
+docker run --rm --user 0 --network sztp_opi -v sztp_client-certs:/certs docker.io/curlimages/curl:8.5.0 --fail-with-body --key /certs/third_private_key.pem --cert /certs/third_my_cert.pem --cacert /certs/opi.pem https://web:443/
 ```

scripts/keys.sh

@@ -17,8 +17,8 @@ docker-compose ps
 
 # extract PEM files from the running docker image
 docker-compose cp setup-cert:/certs/client/opi.pem /tmp/opi.pem
-docker-compose cp setup-cert:/certs/client/my_cert.pem /tmp/opi_cert.pem
-docker-compose cp setup-cert:/certs/client/private_key.pem /tmp/opi_private_key.pem
+docker-compose cp setup-cert:/certs/client/third_my_cert.pem /tmp/opi_cert.pem
+docker-compose cp setup-cert:/certs/client/third_private_key.pem /tmp/opi_private_key.pem
 
 # you can scp them into DPU now...
 echo ==================================