Rebrand: polkadot → pezkuwi build fixes

- Fixed TypeScript type assertion issues
- Updated imports from api-augment/substrate to api-augment/bizinikiwi
- Fixed imgConvert.mjs header and imports
- Added @ts-expect-error for runtime-converted types
- Fixed all @polkadot copyright headers to @pezkuwi

web/public/sdk_docs/crates.js

@@ -1,2 +0,0 @@
-window.ALL_CRATES = ["pezkuwi_sdk_docs"];
-//{"start":21,"fragment_lengths":[18]}