Adding supported networks (#152)

* Adding supported networks

* Adding to "Hosted Service"

* Adding to dev FAQ

* minor

Author: ahmadmardeni1

pages/en/developer/create-subgraph-hosted.mdx

@@ -8,9 +8,10 @@ The `graph init` command can be used to set up a new subgraph project, either fr
 
 ## Supported Networks
 
-The Graph Network supports subgraphs indexing mainnet Ethereum:
+The Graph Network supports subgraphs indexing the Ethereum mainnet and Rinkeby testnet:
 
 - `mainnet`
+- `rinkeby`
 
 **Additional Networks are supported in beta on the Hosted Service**:
 
@@ -45,6 +46,9 @@ The Graph Network supports subgraphs indexing mainnet Ethereum:
 - `aurora-testnet`
 - `boba`
 - `harmony`
+- `arweave-mainnet`
+- `cosmoshub-4`
+- `theta-testnet-001` (this is the current Cosmos Hub testnet)
 
 The Graph's Hosted Service relies on the stability and reliability of the underlying technologies, namely the provided JSON RPC endpoints. Newer networks will be marked as being in beta until the network has proven itself in terms of stability, reliability, and scalability. During this beta period, there is a risk of downtime and unexpected behaviour.
 

pages/en/developer/developer-faq.mdx

@@ -101,9 +101,10 @@ curl -X POST -d '{ "query": "{indexingStatusForCurrentVersion(subgraphName: \"or
 
 The graph-node supports any EVM-compatible JSON RPC API chain.
 
-The Graph Network supports subgraphs indexing mainnet Ethereum:
+The Graph Network supports subgraphs indexing the Ethereum mainnet and Rinkeby testnet:
 
 - `mainnet`
+- `rinkeby`
 
 In the Hosted Service, the following networks are supported:
 
@@ -132,6 +133,9 @@ In the Hosted Service, the following networks are supported:
 - Arbitrum Testnet (on Rinkeby)
 - Optimism
 - Optimism Testnet (on Kovan)
+- Arweave mainnet
+- CosmosHub
+- CosmosHub Testnet 
 
 There is work in progress towards integrating other blockchains, you can read more in our repo: [RFC-0003: Multi-Blockchain Support](https://github.com/graphprotocol/rfcs/pull/8/files).
 

pages/en/hosted-service/what-is-hosted-service.mdx

@@ -44,7 +44,7 @@ The example subgraph is based on the Gravity contract by Dani Grant that manages
 
 ## Supported Networks on the Hosted Service
 
-Please note that the following networks are supported on the Hosted Service. Networks outside of Ethereum mainnet ('mainnet') are not currently supported on [The Graph Explorer.](https://thegraph.com/explorer)
+Please note that the following networks are supported on the Hosted Service. Networks outside of Ethereum mainnet ('mainnet') and Rinkeby testnet are not currently supported on [The Graph Explorer.](https://thegraph.com/explorer)
 
 - `mainnet`
 - `kovan`
@@ -77,3 +77,6 @@ Please note that the following networks are supported on the Hosted Service. Net
 - `aurora-testnet`
 - `boba`
 - `harmony`
+- `arweave-mainnet`
+- `cosmoshub-4`
+- `theta-testnet-001` (this is the current Cosmos Hub testnet)