feat: add PAPI rebrand packages

- @pezkuwi/papi-utils (rebrand of @polkadot-api/utils)
- @pezkuwi/bizinikiwi-bindings (rebrand of @polkadot-api/substrate-bindings)
- @pezkuwi/metadata-builders (rebrand of @polkadot-api/metadata-builders)
- @pezkuwi/merkleize-metadata (rebrand of @polkadot-api/merkleize-metadata)

All @polkadot-api references replaced with @pezkuwi equivalents.

packages/papi-utils/dist/esm/mergeUint8.mjs

@@ -0,0 +1,14 @@
+const mergeUint8 = (...i) => {
+  const inputs = Array.isArray(i[0]) ? i[0] : i;
+  const totalLen = inputs.reduce((acc, a) => acc + a.byteLength, 0);
+  const result = new Uint8Array(totalLen);
+  for (let idx = 0, at = 0; idx < inputs.length; idx++) {
+    const current = inputs[idx];
+    result.set(current, at);
+    at += current.byteLength;
+  }
+  return result;
+};
+
+export { mergeUint8 };
+//# sourceMappingURL=mergeUint8.mjs.map