RAGFlow admin server go version (#13394)

### What problem does this PR solve?

1. init go admin server
2. refactor api server router
3. add benchmark CI to 450s time limit
4. remove docker builder container after building

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

.github/workflows/tests.yml

@@ -137,6 +137,9 @@ jobs:
           sudo docker run --privileged -d --name ${BUILDER_CONTAINER} -e TZ=${TZ} -e UV_INDEX=https://pypi.tuna.tsinghua.edu.cn/simple -v ${PWD}:/ragflow -v ${PWD}/internal/cpp/resource:/usr/share/infinity/resource infiniflow/infinity_builder:ubuntu22_clang20
           sudo docker exec ${BUILDER_CONTAINER} bash -c "git config --global safe.directory \"*\" && cd /ragflow && ./build.sh --cpp"
           ./build.sh --go
+          if [[ -n "${BUILDER_CONTAINER}" ]]; then
+            sudo docker rm -f -v "${BUILDER_CONTAINER}"
+          fi
 
       - name: Build ragflow:nightly
         run: |