feat: add base58

single-scripts/base58.ts

@@ -0,0 +1,12 @@
+#!/usr/bin/env runts -- 
+
+import { encodeBase58, decodeBase58 } from "jsr:@std/encoding/base58";
+import { toArrayBuffer } from "https://deno.land/std@0.203.0/streams/mod.ts";
+
+const input = await toArrayBuffer(Deno.stdin.readable);
+const encoded = encodeBase58(input);
+
+console.log(encoded);
+
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20250918T232829+08:00.MEQCIDTK7w2cMsnuSeOTG6Ea
+// IuYKaueP/nmuNLrphCzropKdAiAy5bIcH2mMdo9cXo6zojqoz2p9gOe/HXapjJgGLUvpMg==