feat: support Chroma vector store (#5015)

docker/docker-compose.chroma.yaml

@@ -0,0 +1,14 @@
+version: '3'
+services:
+  # Chroma vector store.
+  chroma:
+    image: ghcr.io/chroma-core/chroma:0.5.0
+    restart: always
+    volumes:
+      - ./volumes/chroma:/chroma/chroma
+    environment:
+      CHROMA_SERVER_AUTHN_CREDENTIALS: difyai123456
+      CHROMA_SERVER_AUTHN_PROVIDER: chromadb.auth.token_authn.TokenAuthenticationServerProvider
+      IS_PERSISTENT: TRUE
+    ports:
+      - "8000:8000"