Add address maker example

packages/cli/examples/faucet_addresses.ts

@@ -0,0 +1,9 @@
+const mnemonic = "economy stock theory fatal elder harbor betray wasp final emotion task crumble siren bottom lizard educate guess current outdoor pair theory focus wife stone";
+
+for (let i of [0, 1, 2, 3, 4]) {
+  const pen = await Secp256k1Pen.fromMnemonic(mnemonic, makeCosmoshubPath(i));
+  const pubkey = toBase64(pen.pubkey);
+  const address = pubkeyToAddress(encodeSecp256k1Pubkey(pen.pubkey), "cosmos");
+  console.info(`Address ${i}: ${address}`);
+  console.info(`Pubkey ${i}: ${pubkey}`);
+}