feat: add hnsw-rabitq support

.gitmodules

@@ -39,3 +39,6 @@
 	path = thirdparty/magic_enum/magic_enum-0.9.7
 	url = https://github.com/Neargye/magic_enum.git
 	ignore = all
+[submodule "thirdparty/thirdparty/RaBitQ-Library/RaBitQ-Library-0.1"]
+	path = thirdparty/RaBitQ-Library/RaBitQ-Library-0.1
+	url = https://github.com/VectorDB-NTU/RaBitQ-Library.git

CMakeLists.txt

@@ -28,6 +28,16 @@ message(STATUS "BUILD_PYTHON_BINDINGS:${BUILD_PYTHON_BINDINGS}")
 option(BUILD_TOOLS "Build tools" ON)
 message(STATUS "BUILD_TOOLS:${BUILD_TOOLS}")
 
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|amd64|AMD64")
+  set(RABITQ_SUPPORTED ON)
+  add_definitions(-DRABITQ_SUPPORTED=1)
+  message(STATUS "RaBitQ support enabled for Linux x86_64")
+else()
+  set(RABITQ_SUPPORTED OFF)
+  add_definitions(-DRABITQ_SUPPORTED=0)
+  message(STATUS "RaBitQ support disabled - only supported on Linux x86_64")
+endif()
+
 cc_directory(thirdparty)
 cc_directories(src)
 cc_directories(tests)