migration(initialize): change identity number to snake case

internal/handler/specification/user.go

@@ -2,7 +2,7 @@ package specification
 
 import "ui.ac.id/dtd/go-webserver-boilerplate/internal/domain"
 
-type UserCreate struct {
+type UserCreateRequest struct {
 	Name  string `json:"name"`
 	Email string `json:"email"`
 }

migration/postgres/20250219152426_create_user_table.sql

@@ -2,7 +2,7 @@
 -- +goose StatementBegin
 CREATE TABLE "user" (
     "id" SERIAL PRIMARY KEY,
-    "IdentityNumber" VARCHAR(255) UNIQUE NOT NULL,
+    "identity_number" VARCHAR(255) UNIQUE NOT NULL,
     "email" VARCHAR(255) UNIQUE NOT NULL,
     "name" VARCHAR(255) NOT NULL,
     "is_active" BOOLEAN NOT NULL DEFAULT FALSE,