feat: Rebrand Polkadot/Substrate references to PezkuwiChain

This commit systematically rebrands various references from Parity Technologies'
Polkadot/Substrate ecosystem to PezkuwiChain within the kurdistan-sdk.

Key changes include:
- Updated external repository URLs (zombienet-sdk, parity-db, parity-scale-codec, wasm-instrument) to point to pezkuwichain forks.
- Modified internal documentation and code comments to reflect PezkuwiChain naming and structure.
- Replaced direct references to  with  or specific paths within the  for XCM, Pezkuwi, and other modules.
- Cleaned up deprecated  issue and PR references in various  and  files, particularly in  and  modules.
- Adjusted image and logo URLs in documentation to point to PezkuwiChain assets.
- Removed or rephrased comments related to external Polkadot/Substrate PRs and issues.

This is a significant step towards fully customizing the SDK for the PezkuwiChain ecosystem.

bizinikiwi/docs/rustdocs-release.md

@@ -0,0 +1,20 @@
+# Rustdocs Release Process
+
+There is [a script in place](../.maintain/rustdocs-release.sh) to manage the deployment of Bizinikiwi rustdocs at
+https://docs.pezkuwichain.io/bizinikiwi, which is pushing the rustdocs file in `gh-pages` branch of
+https://github.com/paritytech/bizinikiwi.
+
+The documentation at the top of the `rustdocs-release.sh` explains most of the mechanics of the script.
+
+Manage the rustdocs deployment with one of the following commands.
+
+```bash
+# Deploy rustdocs of `monthly-2021-10` tag
+.maintain/rustdocs-release.sh deploy monthly-2021-10
+
+# In addition to the above, the `latest` symlink will point to this version of rustdocs
+.maintain/rustdocs-release.sh deploy -l monthly-2021-10
+
+# Remove the rustdocs of `monthly-2021-10` from `gh-pages`.
+.maintain/rustdocs-release.sh remove monthly-2021-10
+```