fix: adding helpful cert generation script

functions/kubernetes/generate_certs.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+read -p "Are you using Minikube? (yes/no): " is_minikube
+
+if [ "$is_minikube" == "yes" ]; then
+  node_ip=$(minikube ip)
+else
+  read -p "Enter your node IP (default is localhost): " custom_ip
+  # Use localhost as the default value
+  node_ip=${custom_ip:-localhost}
+fi
+
+echo "Using node IP: $node_ip to generate SSL certs!"
+
+# Generate CA key
+openssl req -newkey rsa:4096 -nodes -sha256 -keyout certs/reg.key -x509 -days 365 -out certs/reg.crt -subj "/CN=$node_ip"
+
+