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-core/pyproject.toml

@@ -15,5 +15,8 @@ dependencies = [
     "tqdm>=4.60.0"
 ]
 
+[project.scripts]
+leann = "leann.cli:main"
+
 [tool.setuptools.packages.find]
 where = ["src"]