Generate a script to install the gateway instance by RPM

Successfully generated the RPM install script for data plane installation.

"#!/bin/sh\nset -e\nCONF_DIR=/usr/local/apisix/conf\nGW_CONFIG=\"$CONF_DIR/config.yaml\"\nSERVICE=api7-gateway\nmkdir -p \"$CONF_DIR\"\ncat > \"$CONF_DIR/tls.crt\" <<'EOF'\n-----BEGIN CERTIFICATE-----\nMIIBhjCCATigAwIBAgICBAAwBQYDK2VwMEQxCzAJBgNVBAYTAlVTMRMwEQYDVQQI\n...\n-----END CERTIFICATE-----\nEOF\ncat > \"$CONF_DIR/tls.key\" <<'EOF'\n<REDACTED_PRIVATE_KEY_PEM>\nEOF\ncat > \"$CONF_DIR/ca.crt\" <<'EOF'\n-----BEGIN CERTIFICATE-----\nMIIBdTCCASegAwIBAgIQVXqTFu/hH4caZptKdGp04zAFBgMrZXAwRDELMAkGA1UE\n...\n-----END CERTIFICATE-----\nEOF\nchmod 644 \"$CONF_DIR/tls.key\" \"$CONF_DIR/tls.crt\" \"$CONF_DIR/ca.crt\"\ncat > \"$GW_CONFIG\" <<'EOF'\ndeployment:\n  role: traditional\n  role_traditional:\n    config_provider: etcd\n  etcd:\n    host:\n      - \"https://12.12.123.123:31344\"\n    tls:\n      cert: /usr/local/apisix/conf/tls.crt\n      key: /usr/local/apisix/conf/tls.key\n      verify: true\napisix:\n  ssl:\n    ssl_trusted_certificate: /usr/local/apisix/conf/ca.crt\nEOF\ncat > \"$CONF_DIR/gateway.env\" <<'EOF'\nAPI7_GATEWAY_GROUP_SHORT_ID=tabqbdwnahkqo\nEOF\nif id apisix >/dev/null 2>&1; then\n  chown apisix:apisix \"$CONF_DIR/tls.crt\" \"$CONF_DIR/tls.key\" \"$CONF_DIR/ca.crt\" \"$CONF_DIR/gateway.env\"\nfi\nsystemctl enable \"$SERVICE\" >/dev/null 2>&1 || true\nsystemctl restart \"$SERVICE\"\n"

Bad Request — The request was malformed or contained invalid parameters. Check the error_msg field for details.

{
  "value": {},
  "error_msg": "error message"
}