Migrate code snippets from xrpl.js and xrpl-py

docs/_snippets/wait-for-validation.md

@@ -1,3 +1,5 @@
 On a live network (including Mainnet, Testnet, or Devnet), you can wait 4-7 seconds for the ledger to close automatically.
 
 If you're running `rippled` in stand-alone mode, use the [ledger_accept method][] to manually close the ledger.
+
+{% raw-partial file="/docs/_snippets/common-links.md" /%}