chore: change env variables name

Author: VanhGer

.env.example

@@ -8,5 +8,5 @@ ZKM_PROVER=local
 # Network configuration
 # See more: https://docs.zkm.io/dev/prover.html#network-prover
 ZKM_PRIVATE_KEY=
-CERT_PATH=
-KEY_PATH=
+SSL_CERT_PATH=
+SSL_KEY_PATH=

README.md

@@ -115,8 +115,8 @@ each of which can take varying amounts of time. Before running the prover, ensur
 ```env
 ZKM_PROVER=network
 ZKM_PRIVATE_KEY=
-CERT_PATH=
-KEY_PATH=
+SSL_CERT_PATH=
+SSL_KEY_PATH=
 ```
 
 ### Deploy the Verifier Contract

host/tool/certgen.sh

@@ -1,6 +1,6 @@
 #!/bin/bash -e
 
-CN=''
+CN='ssl'
 SSL_IP=''
 SSL_DNS=''
 
@@ -158,4 +158,4 @@ openssl x509 -sha256 -req -in ${SSL_CSR} -CA ${CA_CERT} \
     -days ${SSL_EXPIRE} -extensions v3_req \
     -extfile ${SSL_CONFIG} >/dev/null || exit 1
 
-echo "====> Complete"
+echo "====> Complete"