Anchor Platform: Add links to SEP-6 in AP docs (#280)

docs/anchoring-assets/anchor-platform/index.mdx

@@ -12,6 +12,7 @@ The Anchor Platform accomplishes this by implementing the ecosystem's standardiz
 Below is a list of SEPs currently supported:
 
 - [SEP-1][sep-1]: [Stellar Info File][sep1-ap]
+- [SEP-6][sep-6]: [Programmatic Deposit and Withdrawal][sep6-ap]
 - [SEP-10][sep-10]: [Stellar Authentication][sep10-ap]
 - [SEP-12][sep-12]: KYC API
 - [SEP-24][sep-24]: [Hosted Deposit and Withdrawal][sep24-ap]
@@ -21,13 +22,15 @@ Below is a list of SEPs currently supported:
 The documentation for the Anchor Platform is a work in progress. Developers are welcome to dive into the code and existing documentation on the [GitHub repository][anchor-platform-github], or if you're looking to build an on & off-ramp service compatible with SEP-24, see our [getting started guide][sep24-ap].
 
 [sep-1]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0001.md
+[sep-6]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0006.md
 [sep-10]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0010.md
 [sep-12]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0012.md
 [sep-24]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0024.md
 [sep-31]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0031.md
 [sep-38]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0038.md
 [anchor-platform-github]: https://github.com/stellar/java-stellar-anchor-sdk
 [sep1-ap]: /docs/category/stellar-info-file
+[sep6-ap]: /docs/category/programmatic-deposits-and-withdrawals
 [sep10-ap]: /docs/category/stellar-authentication
 [sep24-ap]: /docs/category/hosted-deposits-and-withdrawals
 [sep31-ap]: /docs/category/cross-border-payments

docs/anchoring-assets/overview.mdx

@@ -21,9 +21,10 @@ Stellar is an open-source network that is designed to interoperate with traditio
 
 Read more about SEPs in the [SEPs section](https://developers.stellar.org/docs/fundamentals-and-concepts/stellar-ecosystem-proposals).
 
-As an anchor, the most important SEPs are [SEP-24]: Hosted Deposit and Withdrawal, and [SEP-31]: Cross Border Payments API. You’ll also work with [SEP-10]: Stellar Authentication, [SEP-12]: KYC API, and [SEP-38]: Anchor RFQ API.
+As an anchor, the most important SEPs are [SEP-6]: Programmatic Deposit and Withdrawal, [SEP-24]: Hosted Deposit and Withdrawal, and [SEP-31]: Cross Border Payments API. You’ll also work with [SEP-10]: Stellar Authentication, [SEP-12]: KYC API, and [SEP-38]: Anchor RFQ API.
 
 [sep-1]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0001.md
+[sep-6]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0006.md
 [sep-9]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0009.md
 [sep-10]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0010.md
 [sep-12]: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0012.md