Building, CLI tool & Embedding Server Fixed (#5)

* chore: shorter build time

* chore: update faiss

* fix: no longger do embedding server reuse

* fix: do not reuse emb_server and close it properly

* feat: cli tool

* feat: cli more args

* fix: same embedding logic

packages/leann-backend-hnsw/pyproject.toml

@@ -15,4 +15,8 @@ wheel.packages = ["leann_backend_hnsw"]
 editable.mode = "redirect"
 cmake.build-type = "Release"
 build.verbose = true
-build.tool-args = ["-j8"]
+build.tool-args = ["-j8"]
+
+# CMake definitions to optimize compilation
+[tool.scikit-build.cmake.define]
+CMAKE_BUILD_PARALLEL_LEVEL = "8"