feat: string-unpack api

string-unpack/internal/db/schema.sql

@@ -0,0 +1,10 @@
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+CREATE TABLE unpack_history
+(
+    id         uuid        default gen_random_uuid() primary key,
+    input      text NOT NULL,
+    result     text NOT NULL,
+    created_at timestamptz DEFAULT NOW()
+)
+;