Add a sentence to refer to readme for host guide (#83)

Author: ali-behjati

pythnet-price-feeds/price-service.md

@@ -1,6 +1,6 @@
 # Price Service
 
-The [price service](https://github.com/pyth-network/pyth-crosschain/tree/main/third_party/pyth/price-service) is a webservice that listens to the Wormhole Network for Pyth price updates and serves them via a convenient web API.
+The [price service][price-service-repo] is a webservice that listens to the Wormhole Network for Pyth price updates and serves them via a convenient web API.
 The service allows users to easily query for recent price updates via a REST API, or subscribe to a websocket for streaming updates.
 The Pyth Network Javascript SDKs connect to an instance of the price service in order to fetch on-demand price updates.
 
@@ -17,3 +17,6 @@ These endpoints can be used to test integrations with Pyth Network:
 For production deployments, developers integrating with Pyth Network are **strongly encouraged** to host their own instance of the price service for maximum resilience and decentralization.
 By running an independent instance of this service, developers tap directly into Wormhole's peer-to-peer network to stream Pyth price updates.
 This peer-to-peer network has built-in redundancy and is therefore inherently more reliable than a centralized service operated by the PDA.
+Please find more information about building and running the price service from [here][price-service-repo].
+
+[price-service-repo]: https://github.com/pyth-network/pyth-crosschain/tree/main/third_party/pyth/price-service