update IA of standards section

Author: corwintines

public/content/developers/docs/standards/index.md

@@ -40,7 +40,7 @@ More detailed information on these different types and categories can be found i
 ### Token standards {#token-standards}
 
 - [ERC-20](/developers/docs/standards/tokens/erc-20/) - A standard interface for fungible (interchangeable) tokens, like voting tokens, staking tokens or virtual currencies.
-- [ERC-223](/developers/docs/standards/tokens/erc-223/) - A fungible tokens standard that makes tokens behave identical to ether and supports token transfers handling on the recipients side.
+  - [ERC-223](/developers/docs/standards/tokens/erc-223/) - A fungible tokens standard that makes tokens behave identical to ether and supports token transfers handling on the recipients side.
   - [ERC-1363](https://eips.ethereum.org/EIPS/eip-1363) - Defines a token interface for ERC-20 tokens that supports executing recipient code after transfer or transferFrom, or spender code after approve.
 - [ERC-721](/developers/docs/standards/tokens/erc-721/) - A standard interface for non-fungible tokens, like a deed for artwork or a song.
   - [ERC-2309](https://eips.ethereum.org/EIPS/eip-2309) - A standardized event emitted when creating/transferring one, or many non-fungible tokens using consecutive token identifiers.

public/content/developers/docs/standards/tokens/erc-20/index.md

@@ -162,6 +162,8 @@ When ERC-20 tokens are sent to a smart contract that is not designed to handle E
 3.	No built-in handling
 	-	The ERC-20 standard does not include a mandatory function for receiving contracts to implement, leading to a situation where many contracts are unable to manage incoming tokens properly
 
+Some alternative standards have come out of this issue such as [ERC-223](/developers/docs/standards/tokens/erc-223)
+
 ## Further reading {#further-reading}
 
 - [EIP-20: ERC-20 Token Standard](https://eips.ethereum.org/EIPS/eip-20)
@@ -172,5 +174,6 @@ When ERC-20 tokens are sent to a smart contract that is not designed to handle E
 
 ## Other fungible token standards {#fungible-token-standards}
 
+- [ERC-223](/developers/docs/standards/tokens/erc-223)
 - [ERC-777](/developers/docs/standards/tokens/erc-777)
 - [ERC-4626 - Tokenized vaults](/developers/docs/standards/tokens/erc-4626)

public/content/developers/docs/standards/tokens/index.md

@@ -19,7 +19,6 @@ Many Ethereum development standards focus on token interfaces. These standards h
 Here are some of the most popular token standards on Ethereum:
 
 - [ERC-20](/developers/docs/standards/tokens/erc-20/) - A standard interface for fungible (interchangeable) tokens, like voting tokens, staking tokens or virtual currencies.
-- [ERC-223](/developers/docs/standards/tokens/erc-223/) - A fungible token standard with "transaction handling" model that makes token behave identical to ether.
 
 ### NFT standards {#nft-standards}
 

src/data/developer-docs-links.yaml

@@ -197,8 +197,6 @@
           items:
             - id: docs-nav-erc-20
               to: /developers/docs/standards/tokens/erc-20/
-            - id: docs-nav-erc-223
-              to: /developers/docs/standards/tokens/erc-223/
             - id: docs-nav-erc-721
               to: /developers/docs/standards/tokens/erc-721/
             - id: docs-nav-erc-1155