docs: add references to FWSS subgraph repository (#608)

Author: rjan90

docs/src/content/docs/getting-started/index.mdx

@@ -215,7 +215,7 @@ Congratulations! You've successfully stored and retrieved data using the Synapse
 |                            | **Error Handling**: Comprehensive error management               |
 | 🌐 **Network Integration** | **Provider Discovery**: Find optimal storage providers           |
 |                            | **Proof Verification**: Verify data integrity with PDP           |
-|                            | **Subgraph Integration**: Query blockchain data efficiently      |
+|                            | **[Subgraph Integration](https://github.com/FIL-Builders/fwss-subgraph)**: Query blockchain data efficiently |
 
 #### Quick Examples
 

docs/src/content/docs/resources/community-projects.md

@@ -28,6 +28,12 @@ The projects listed below are developed and maintained by community members. For
 - Native Go implementation
 - Suitable for backend services and CLI tools
 
+## Tools
+
+### FWSS Subgraph
+
+**[fwss-subgraph](https://github.com/FIL-Builders/fwss-subgraph)** — Indexes on-chain data from the Filecoin Warm Storage Service contracts, making it easy to query data sets, pieces, payment rails, and provider activity using GraphQL.
+
 ## Contributing
 
 Have a project you'd like to add? Open a pull request to this page with your project details.