feat: Add goose database migrations for rating_plans and esim_profiles tables

- Create 00001_init_rating_plans.sql migration with rating_plans table schema
- Add plan_id, name, rate fields (data/voice/sms), monthly_fee, and limit fields (data/voice/sms)
- Include is_active flag and timestamp fields (created_at, updated_at)
- Add indexes on is_active and created_at columns
- Create 00002_init_esim_profiles.sql migration with esim_profiles table schema
- Add iccid (primary key), eid, imsi, mcc, mnc, profile_

migrations/00002_init_esim_profiles.sql

@@ -0,0 +1,26 @@
+-- +goose Up
+-- Create esim_profiles table
+CREATE TABLE IF NOT EXISTS esim_profiles (
+    iccid          TEXT PRIMARY KEY,
+    eid            TEXT,
+    imsi           TEXT,
+    mcc            TEXT,
+    mnc            TEXT,
+    profile_type   TEXT,
+    state          TEXT,
+    tenant_id      TEXT,
+    activation_code TEXT,
+    created_at     TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at     TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Create indexes
+CREATE INDEX IF NOT EXISTS idx_esim_profiles_eid ON esim_profiles(eid);
+CREATE INDEX IF NOT EXISTS idx_esim_profiles_imsi ON esim_profiles(imsi);
+CREATE INDEX IF NOT EXISTS idx_esim_profiles_state ON esim_profiles(state);
+CREATE INDEX IF NOT EXISTS idx_esim_profiles_tenant_id ON esim_profiles(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_esim_profiles_created_at ON esim_profiles(created_at);
+
+-- +goose Down
+-- Drop esim_profiles table
+DROP TABLE IF EXISTS esim_profiles CASCADE;