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/src-files.js

@@ -1,2 +0,0 @@
-createSrcSidebar('[["pezkuwi_sdk_docs",["",[["guides",[["your_first_pallet",[],["mod.rs"]]],["async_backing_guide.rs","enable_elastic_scaling.rs","enable_metadata_hash.rs","enable_pov_reclaim.rs","handling_teyrchain_forks.rs","mod.rs","your_first_node.rs","your_first_runtime.rs"]],["pezkuwi_sdk",[],["cumulus.rs","frame_runtime.rs","mod.rs","pezkuwi.rs","smart_contracts.rs","substrate.rs","templates.rs","xcm.rs"]],["reference_docs",[],["blockchain_state_machines.rs","chain_spec_genesis.rs","cli.rs","custom_host_functions.rs","custom_runtime_api_rpc.rs","defensive_programming.rs","development_environment_advice.rs","extrinsic_encoding.rs","fee_less_runtime.rs","frame_benchmarking_weight.rs","frame_logging.rs","frame_offchain_workers.rs","frame_origin.rs","frame_pallet_coupling.rs","frame_runtime_types.rs","frame_runtime_upgrades_and_migrations.rs","frame_storage_derives.rs","frame_system_accounts.rs","frame_tokens.rs","glossary.rs","metadata.rs","mod.rs","omni_node.rs","runtime_vs_smart_contract.rs","signed_extensions.rs","state.rs","trait_based_programming.rs","transaction_extensions.rs","umbrella_crate.rs","wasm_meta_protocol.rs"]]],["external_resources.rs","lib.rs","meta_contributing.rs"]]]]');
-//{"start":19,"fragment_lengths":[1191]}