feat: add scripts for building rpm package

rpm/oceanbase-ce-build.sh

+#!/bin/bash
+
+PROJECT_DIR=$1
+PROJECT_NAME=$2
+VERSION=$3
+RELEASE=$4
+
+CURDIR=$PWD
+TOP_DIR=`pwd`/../
+
+echo "[BUILD] args: TOP_DIR=${TOP_DIR} PROJECT_NAME=${PROJECT_NAME} VERSION=${VERSION} RELEASE=${RELEASE}"
+
+cd ${TOP_DIR}
+./build.sh clean
+./build.sh \
+    rpm \
+    -DOB_RELEASEID=$RELEASE \
+    --init \
+    --make rpm || exit 1
+
+cd ${TOP_DIR}/build_rpm
+mv *.rpm $CURDIR || exit 2
+