chore: Make milvus an optional dependency

Make Milvus an optional dependency, expand docs with Milvus information

Chore

.env.template

@@ -14,7 +14,7 @@ GRAPH_DATABASE_URL=
 GRAPH_DATABASE_USERNAME=
 GRAPH_DATABASE_PASSWORD=
 
-# "qdrant", "pgvector", "weaviate" or "lancedb"
+# "qdrant", "pgvector", "weaviate", "milvus" or "lancedb"
 VECTOR_DB_PROVIDER="lancedb"
 # Not needed if using "lancedb" or "pgvector"
 VECTOR_DB_URL=

README.md

@@ -53,6 +53,12 @@ pip install 'cognee[qdrant]'
 pip install 'cognee[neo4j]'
 ```
 
+### With pip with Milvus support
+
+```bash
+pip install 'cognee[milvus]'
+```
+
 ### With poetry
 
 ```bash
@@ -83,6 +89,12 @@ poetry add cognee -E qdrant
 poetry add cognee -E neo4j
 ```
 
+### With poetry with Milvus support
+
+```bash
+poetry add cognee -E milvus
+```
+
 
 ## 💻 Basic Usage
 

pyproject.toml

@@ -70,7 +70,7 @@ asyncpg =  {version = "0.30.0", optional = true}
 pgvector = {version = "^0.3.5", optional = true}
 psycopg2 = {version = "^2.9.10", optional = true}
 llama-index-core = {version = "^0.11.22", optional = true}
-pymilvus = "^2.5.0"
+pymilvus = {version = "^2.5.0", optional = true}
 
 [tool.poetry.extras]
 filesystem = ["s3fs", "botocore"]
@@ -85,7 +85,7 @@ posthog = ["posthog"]
 falkordb = ["falkordb"]
 groq = ["groq"]
 langfuse = ["langfuse"]
-
+milvus = ["pymilvus"]
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.0"