Grand Valley endpoints (#120)

* Grand Valley

* update

* fix update

docs/story-protocol/endpoints.mdx

@@ -71,7 +71,12 @@ https://story-testnet-api.itrocket.net # Cosmos REST API
 ```bash
 https://story-api-cosmos.originstake.com # Cosmos REST API
 ```
-
+
+#### Grand Valley: 
+```bash
+https://lightnode-api-story.grandvalleys.com # Cosmos REST API
+```
+
   </TabItem>
   <TabItem value="rpc" label="RPC">
 
@@ -162,7 +167,13 @@ https://story-testnet-jsonrpc.blockhub.id # EVM JSON-RPC
 https://story-cosmos-testnet-rpc.tech-coha05.xyz # Cosmos RPC
 https://story-evm-testnet-rpc.tech-coha05.xyz # EVM JSON-RPC
 ```
-
+
+#### Grand Valley: 
+```bash
+https://lightnode-rpc-story.grandvalleys.com # Cosmos RPC
+https://lightnode-json-rpc-story.grandvalleys.com # EVM JSON-RPC
+```
+
   </TabItem>
   <TabItem value="WebSocket" label="WebSocket">
 
@@ -188,6 +199,12 @@ wss://story-testnet-wss.blockhub.id # EVM WSS
 ```bash
 wss://story-rpc-cosmos.originstake.com/websocket # Cosmos story-wss01
 wss://story-wss01.originstake.com # EVM WSS
+```
+
+#### Grand Valley: 
+```bash
+wss://lightnode-rpc-story.grandvalleys.com/websocket # Cosmos WSS
+wss://lightnode-wss-story.grandvalleys.com # EVM WSS
 ```
 
   </TabItem>