First one (#8)

Reviewed-on: phoenix/textsender_api#8

migrations/20260613211440_init.sql

@@ -0,0 +1,12 @@
+-- Add migration script here
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+CREATE TABLE IF NOT EXISTS "contacts" (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    phone_number TEXT NOT NULL,
+    user_id UUID NOT NULL,
+    firstname TEXT NULL,
+    lastname TEXT NULL,
+    nickname TEXT NULL
+);