[UNCAIM-177][haoran]test: bulk upload test user

Author: tw-haoranli

script/postgre_sql/load_test_user.sql

@@ -0,0 +1,11 @@
+DO $$
+DECLARE
+    i INT := 1;          
+    user_count INT := 10;
+BEGIN
+    WHILE i <= user_count LOOP
+        INSERT INTO public.user (name, email, password, salt, active) 
+            VALUES ('Test User', CONCAT('user', i, '@test.com'), ?, ?, true);
+        i := i + 1;
+    END LOOP;
+END $$;