What's Changed
* add additional URL of third-parties to improve download speed by wxyucs in https://github.com/alipay/vsag/pull/2
* add .gitignore and .clang-format file by wxyucs in https://github.com/alipay/vsag/pull/3
* add docker image for development by wxyucs in https://github.com/alipay/vsag/pull/5
* update thirdparty download timeout by wxyucs in https://github.com/alipay/vsag/pull/4
* add circleci workflow to check code format and run tests by wxyucs in https://github.com/alipay/vsag/pull/6
* add a new pre-filter search method and improve serialization performance by inabao in https://github.com/alipay/vsag/pull/8
* add rwlock in the interfaces of index by wxyucs in https://github.com/alipay/vsag/pull/7
* fix fmtlib compilation issue in gcc 10 or earlier by wxyucs in https://github.com/alipay/vsag/pull/11
* fix memory allocation and deallocation unmatch by inabao in https://github.com/alipay/vsag/pull/10
* modify the lower limit of the block size restriction by inabao in https://github.com/alipay/vsag/pull/9
* fix complie error for default allocator by inabao in https://github.com/alipay/vsag/pull/12
* support cosine in hnsw index by inabao in https://github.com/alipay/vsag/pull/15
* update circleci resource class by wxyucs in https://github.com/alipay/vsag/pull/16
* unify the serialize and deserialize method for hnsw by LHT129 in https://github.com/alipay/vsag/pull/14
New Contributors
* wxyucs made their first contribution in https://github.com/alipay/vsag/pull/2
* inabao made their first contribution in https://github.com/alipay/vsag/pull/8
* LHT129 made their first contribution in https://github.com/alipay/vsag/pull/14
**Full Changelog**: https://github.com/alipay/vsag/commits/v0.11.0