Merge pull request #621 from bnb-chain/add-indexing-tools

Update quick-guide to including Indexing

Author: huihzhao

docs/bnb-smart-chain/developers/quick-guide.md

@@ -41,6 +41,10 @@ Interacting with BSC requires sending requests to specific JSON-RPC API methods.
     - [Remix](https://remix.ethereum.org)
     - [Hardhat](https://hardhat.org)
     - [Foundry](https://book.getfoundry.sh/)
+- Indexing
+    - [TheGraph](https://thegraph.com/)
+    - [Covalent](https://www.covalenthq.com)
+    - [Others](https://www.alchemy.com/dapps/list-of/indexing-tools-on-ethereum)
 - Wallets
     - [Binance Web3 Wallet](https://www.binance.com/en/web3wallet)
     - [Metamask](https://metamask.io/)
@@ -64,4 +68,4 @@ Interacting with BSC requires sending requests to specific JSON-RPC API methods.
     - [CoinGecko](https://www.coingecko.com/en/chains/binance-smart-chain)
     - [DappBay](https://dappbay.bnbchain.org/ranking/chain/bnb-smart-chain)
 
-For more tools and details, you can refer to [BSC Dev Tools](https://www.bnbchain.org/en/dev-tools).
+For more tools and details, you can refer to [BSC Dev Tools](https://www.bnbchain.org/en/dev-tools).