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/hex.mjs

@@ -0,0 +1,51 @@
+const HEX_STR = "0123456789abcdef";
+function toHex(bytes) {
+  const result = new Array(bytes.length + 1);
+  result[0] = "0x";
+  for (let i = 0; i < bytes.length; ) {
+    const b = bytes[i++];
+    result[i] = HEX_STR[b >> 4] + HEX_STR[b & 15];
+  }
+  return result.join("");
+}
+const HEX_MAP = {
+  0: 0,
+  1: 1,
+  2: 2,
+  3: 3,
+  4: 4,
+  5: 5,
+  6: 6,
+  7: 7,
+  8: 8,
+  9: 9,
+  a: 10,
+  b: 11,
+  c: 12,
+  d: 13,
+  e: 14,
+  f: 15,
+  A: 10,
+  B: 11,
+  C: 12,
+  D: 13,
+  E: 14,
+  F: 15
+};
+function fromHex(hexString) {
+  const isOdd = hexString.length % 2;
+  const base = (hexString[1] === "x" ? 2 : 0) + isOdd;
+  const nBytes = (hexString.length - base) / 2 + isOdd;
+  const bytes = new Uint8Array(nBytes);
+  if (isOdd) bytes[0] = 0 | HEX_MAP[hexString[2]];
+  for (let i = 0; i < nBytes; ) {
+    const idx = base + i * 2;
+    const a = HEX_MAP[hexString[idx]];
+    const b = HEX_MAP[hexString[idx + 1]];
+    bytes[isOdd + i++] = a << 4 | b;
+  }
+  return bytes;
+}
+
+export { fromHex, toHex };
+//# sourceMappingURL=hex.mjs.map