add users table migrations. Need to install goose into migrator

migrator/migrations/20240808094749_create_users_table.sql

@@ -1,6 +1,6 @@
 -- +goose Up
 -- +goose StatementBegin
-CREATE TABLE users(
+CREATE TABLE IF NOT EXISTS users(
     id UUID NOT NULL PRIMARY KEY,
     name VARCHAR(50) NOT NULL,
     email VARCHAR(50) NOT NULL UNIQUE INDEX,
@@ -11,5 +11,5 @@ CREATE TABLE users(
 
 -- +goose Down
 -- +goose StatementBegin
-DROP TABLE users;
+DROP TABLE IF EXISTS users;
 -- +goose StatementEnd