feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

substrate/frame/atomic-swap/README.md

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+# Atomic Swap
+
+A module for atomically sending funds.
+
+- [`atomic_swap::Config`](https://docs.rs/pallet-atomic-swap/latest/pallet_atomic_swap/trait.Config.html)
+- [`Call`](https://docs.rs/pallet-atomic-swap/latest/pallet_atomic_swap/enum.Call.html)
+- [`Module`](https://docs.rs/pallet-atomic-swap/latest/pallet_atomic_swap/struct.Module.html)
+
+## Overview
+
+A module for atomically sending funds from an origin to a target. A proof
+is used to allow the target to approve (claim) the swap. If the swap is not
+claimed within a specified duration of time, the sender may cancel it.
+
+## Interface
+
+### Dispatchable Functions
+
+- `create_swap` - called by a sender to register a new atomic swap
+- `claim_swap` - called by the target to approve a swap
+- `cancel_swap` - may be called by a sender after a specified duration
+
+License: Apache-2.0