[feature]: Improve pinecone db integration (#806)

docs/components/vector-databases.mdx

@@ -147,7 +147,23 @@ _Coming soon_
 
 ## Pinecone
 
-_Coming soon_
+In order to use Pinecone as vector database, set the environment variables `PINECONE_API_KEY` and `PINECONE_ENV` which you can find on [Pinecone dashboard](https://app.pinecone.io/).
+
+```python main.py
+from embedchain import App
+
+# load pinecone configuration from yaml file
+app = App.from_config(yaml_path="config.yaml")
+```
+
+```yaml config.yaml
+vectordb:
+  provider: pinecone
+  config:
+    metric: cosine
+    vector_dimension: 1536
+    collection_name: my-pinecone-index
+```
 
 ## Qdrant