Add support to create custom API users

wazuh-opendistro/config/etc/cont-init.d/2-manager

@@ -75,8 +75,26 @@ function_wazuh_migration(){
   fi
 }
 
+function_create_custom_user() {
+  if [[ ! -z $API_USERNAME ]] && [[ ! -z $API_PASSWORD ]]; then
+  cat << EOF > /var/ossec/api/configuration/admin.json
+{
+  "username": "$API_USERNAME",
+  "password": "$API_PASSWORD"
+}
+EOF
+
+  # insert user into API database
+  /var/ossec/framework/python/bin/python3  /var/ossec/framework/scripts/create_user.py
+  fi
+}
+
+
 # Migrate data from /wazuh-migration volume
 function_wazuh_migration
 
+# create API custom user
+function_create_custom_user
+
 # Start Wazuh
 /var/ossec/bin/ossec-control start