Add links

Signed-off-by: Martin Eckardt <martin.eckardt@avalabs.org>

src/0-send-receive/_INSTRUCTIONS.md

@@ -1,14 +1,12 @@
 # Instructions - Send & Receive
 
-The following code example will show you how to send, receive and verify the receival of messages using teleporter and foundry.
+The following code example will show you how to send, receive and verify the receival of messages using teleporter and foundry. It includes instructions for the [local network](#local-network) and [fuji testnet](#fuji-testnet).
 
-## Issuing Transactions with Foundry
-
-### Local Network
+## Local Network
 
 For convenience the private key `56289e99c94b6912bfc12adc093c9b51124f0dc54ac7a766b2bc5ccf558d8027` of the default airdrop address is stored in the environment variable `$PK`. Furthermore, the RPC-url for the C-Chain of your local network is set in the `foundry.toml` file.
 
-#### Setting the Blockchain ID in the Contracts
+### Setting the Blockchain ID in the Contracts
 
 Make sure to replace the blockchainID in the sender contract `src/0-send-receive/senderOnCChain.sol` with the ID of your Subnet's blockchain.
 
@@ -34,7 +32,7 @@ teleporterMessenger.sendCrossChainMessage(
 );
 ```
 
-#### Deploying the Contracts
+### Deploying the Contracts
 
 After adapting the contracts you can deploy them with `forge create`:
 
@@ -48,23 +46,23 @@ forge create --rpc-url mysubnet --private-key $PK src/0-send-receive/receiverOnS
 
 ```
 
-#### Sending a Message
+### Sending a Message
 
 You can find `<sender_contract_address>` in the output of the first and the `<receiver_contract_address>` of the second `forge create` command in the line saying `Deployed to:`.
 
 ```bash
 cast send --rpc-url local-c --private-key $PK <sender_contract_address> "sendMessage(address,string)" <receiver_contract_address> "Hello"
 ```
 
-#### Verifying Message Receipt
+### Verifying Message Receipt
 
 ```bash
 cast call --rpc-url mysubnet <receiver_contract_address> "lastMessage()(string)"
 ```
 
-### Fuji Testnet
+## Fuji Testnet
 
-#### Creating a Wallet
+### Creating a Wallet
 
 For deploying on testnet, we cannot use the airdrop wallet, since the private key is commonly known. To create a new wallet that is stored in a keystore, issue the following command. It will prompt you to secure the private key with a password.
 
@@ -80,11 +78,11 @@ You can use the wallet stored in the keystore by adding the `--keystore` flag in
 cast wallet address --keystore $KEYSTORE
 ```
 
-#### Funding your Wallet with Fuji Tokens
+### Funding your Wallet with Fuji Tokens
 
 Head to the [Avalanche Testnet Faucet](https://core.app/tools/testnet-faucet/?subnet=c&token=c) and fund your keystore address with Fuji AVAX and Dispatch tokens. Use the coupon code `avalanche-academy`.
 
-#### Setting the Blockchain ID in the Contracts on Fuji
+### Setting the Blockchain ID in the Contracts on Fuji
 
 Make sure to adapt the destinationBlockchainID of your sending contracts to use the blockchain IDs of the Fuji network:
 
@@ -93,7 +91,7 @@ Make sure to adapt the destinationBlockchainID of your sending contracts to use
 | Fuji C-Chain | 0x7fc93d85c6d62c5b2ac0b519c87010ea5294012d1e407030d6acd0021cac10d5 |
 | Dispatch | 0x9f3be606497285d0ffbb5ac9ba24aa60346a9b1812479ed66cb329f394a4b1c7 |
 
-#### Deploying the Contracts
+### Deploying the Contracts
 
 After adapting the contracts you can deploy them using your keystore wallet:
 
@@ -106,14 +104,14 @@ forge create --rpc-url dispatch --keystore $KEYSTORE src/0-send-receive/receiver
 
 ```
 
-#### Sending a Message
+### Sending a Message
 
 ```bash
 cast send --rpc-url fuji-c --keystore $KEYSTORE <sender_contract_address> "sendMessage(address,string)" <receiver_contract_address> "Hello"
 ```
 
-#### Verifying Message Receipt
+### Verifying Message Receipt
 
 ```bash
 cast call --rpc-url dispatch <receiver_contract_address> "lastMessage()(string)"
-```
+```