chore: Add python-dotenv to project dependencies

poetry.lock

@@ -1992,6 +1992,20 @@ files = [
 [package.dependencies]
 six = ">=1.5"
 
+[[package]]
+name = "python-dotenv"
+version = "1.0.1"
+description = "Read key-value pairs from a .env file and set them as environment variables"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "python-dotenv-1.0.1.tar.gz", hash = "sha256:e324ee90a023d808f1959c46bcbc04446a10ced277783dc6ee09987c37ec10ca"},
+    {file = "python_dotenv-1.0.1-py3-none-any.whl", hash = "sha256:f7b63ef50f1b690dddf550d03497b66d609393b40b564ed0d674909a68ebf16a"},
+]
+
+[package.extras]
+cli = ["click (>=5.0)"]
+
 [[package]]
 name = "pytz"
 version = "2024.1"
@@ -3275,4 +3289,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "3.11.9"
-content-hash = "7b4b502a02c4db10d7904d89edc4078253ae8233b27cd4580424b504bde1e806"
+content-hash = "0aca95a6edfe963beb682c23848c771b1ae55cdb1f66c1ede8bae39dba00f34d"

pyproject.toml

@@ -16,6 +16,7 @@ langchain-core = "^0.2.18"
 sentence-transformers = "^3.0.1"
 langchain = "^0.2.7"
 faiss-cpu = "^1.8.0.post1"
+python-dotenv = "^1.0.1"
 
 
 [build-system]