add readme to each folder

content/_code-samples/claim-payment-channel/README.md

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+# Create and Claim a Payment Channel
+
+Create, claim and verify a Payment Channel.
+
+For more context, see [PayChannel](https://xrpl.org/paychannel.html#paychannel).

content/_code-samples/get-tx/README.md

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+# Get a Transaction on the Ledger
+
+Retrieve and display a transaction on the ledger.
+
+For more context, see [tx Method](https://xrpl.org/tx.html).

content/_code-samples/multisigning/README.md

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+# Multisign a transaction.
+
+Create and submit a SignerListSet and multisign a transaction.
+
+For more context, see [Multi-signing](https://xrpl.org/multi-signing.html).

content/_code-samples/partial-payment/README.md

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+# Send Partial Payments
+
+Send partial payments with money amount less than the amount specified on 2 conditions:
+
+- Sender has less money than the aamount specified in the payment Tx.
+- Sender has the tfPartialPayment flag activated.
+
+Other ways to specify flags are by using Hex code and decimal code.
+eg. For partial payment(tfPartialPayment)
+decimal ->131072, hex -> 0x00020000
+
+For more context, see [Partial Payments](https://xrpl.org/partial-payments.html)

content/_code-samples/paths/README.md

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+# Use Paths
+
+Extract paths from RipplePathFind and send a payment using paths.
+
+For more context, see [Paths](https://xrpl.org/paths.html).

content/_code-samples/reliable-tx-submission/README.md

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+# Implement Reliable Transaction Submission
+
+Send a transaction and see its validation response. For the implementation in this example, we have made the following decisions:
+
+- We allow the autofill function as a part of submitAndWait to fill up the account sequence, LastLedgerSequence and Fee. Payments are defined upfront, and idempotency is not needed. If the script is run a second time, duplicate payments will result.
+- We will rely on the submitAndWait function to get us the transaction submission result after the wait time.
+- Transactions will not be automatically retried. Transactions are limited to XRP-to-XRP payments and cannot "succeed" in an unexpected way.
+
+For more context, see [Reliable Transaction Submission](https://xrpl.org/reliable-transaction-submission.html)

content/_code-samples/set-regular-key/README.md

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+# Use `SetRegularKey`
+
+Use `SetRegularKey` to assign a key pair to a wallet and make a payment signed using the regular key wallet.
+
+For more context, see [SetRegularKey](https://xrpl.org/setregularkey.html).